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   <div id="projectname">LibDriver SSD1306
   &#160;<span id="projectnumber">2.0.0</span>
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   <div id="projectbrief">SSD1306 full-featured driver</div>
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<div class="title">driver_ssd1306.c</div>  </div>
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<a href="driver__ssd1306_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="driver__ssd1306_8h.html">driver_ssd1306.h</a>&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="driver__ssd1306__font_8h.html">driver_ssd1306_font.h</a>&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#adc9da0a24824ca1239b593f6459b3954">   44</a></span>&#160;<span class="preprocessor">#define CHIP_NAME                 &quot;Solomon Systech SSD1306&quot;</span>        </div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aaa2b8f5b105c3019df0cb346f472e803">   45</a></span>&#160;<span class="preprocessor">#define MANUFACTURER_NAME         &quot;Solomon Systech&quot;</span>                </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aac8d8cbd899667d609787ef4cf37054d">   46</a></span>&#160;<span class="preprocessor">#define SUPPLY_VOLTAGE_MIN        1.65f                            </span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a68eba8b601afe11f1b871d944976c035">   47</a></span>&#160;<span class="preprocessor">#define SUPPLY_VOLTAGE_MAX        3.3f                             </span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a2989837a37d6d63b59c6dd541b785435">   48</a></span>&#160;<span class="preprocessor">#define MAX_CURRENT               0.78f                            </span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aab353db5bf4eb787f86a2080f609a551">   49</a></span>&#160;<span class="preprocessor">#define TEMPERATURE_MIN           -40.0f                           </span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a90c0b20d54005712fcc8cb01281360e9">   50</a></span>&#160;<span class="preprocessor">#define TEMPERATURE_MAX           85.0f                            </span></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ae578001fe043b4cca7a0edd801cfe9c4">   51</a></span>&#160;<span class="preprocessor">#define DRIVER_VERSION            2000                             </span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">   56</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD          0        </span></div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a002e3b75ec7ef9b0191f4dfce6904d2a">   57</a></span>&#160;<span class="preprocessor">#define SSD1306_DATA         1        </span></div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a6f15fa264c427507906ab5822daab2a2">   62</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_LOWER_COLUMN_START_ADDRESS              0x00        </span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a7ea59dc0f1cf1f7f13c1f3540cf67d3e">   63</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS             0x10        </span></div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a72725317f016ab02ff1870b8a7ed04a0">   64</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_MEMORY_ADDRESSING_MODE                  0x20        </span></div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a88c749b0d22326b07b4bc31713dc0520">   65</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_SET_COLUMN_ADDRESS                      0x21        </span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a0d7adbb300cdfc3b824c667fbc4a5cc8">   66</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_SET_PAGE_ADDRESS                        0x22        </span></div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ab741784a3ee47c25a986d848e90ed049">   67</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_SET_FADE_OUT_AND_BLINKING               0x23        </span></div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a6e6b3420ca6a3c6b0754ecef35e6d607">   68</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_RIGHT_HORIZONTAL_SCROLL                 0x26        </span></div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a7ebe98453c43e27a4fa478cd8665ebaa">   69</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_LEFT_HORIZONTAL_SCROLL                  0x27        </span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#adf32c4c74645fc59af8e6f9029a60513">   70</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_VERTICAL_RIGHT_HORIZONTAL_SCROLL        0x29        </span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aaeb987bcbb54de5fe927f07ae01d3a68">   71</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_VERTICAL_LEFT_HORIZONTAL_SCROLL         0x2A        </span></div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a074e764098ee802c358a74b75df95287">   72</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_DEACTIVATE_SCROLL                       0x2E        </span></div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ada976441269545a655be45f699914434">   73</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_ACTIVATE_SCROLL                         0x2F        </span></div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a27adee0f33c5e157fb3618fc913e5914">   74</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_DISPLAY_START_LINE                      0x40        </span></div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ac98ec036aa0aa3cc9026150d0f502301">   75</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_CONTRAST_CONTROL                        0x81        </span></div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ad899aabcbcadba31b2a339f742b21493">   76</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_CHARGE_PUMP_SETTING                     0x8D        </span></div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ade986acc63982722bce05cd09d75999f">   77</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_COLUMN_0_MAPPED_TO_SEG0                 0xA0        </span></div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aee5b34051613c523a64364dec0eef423">   78</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_COLUMN_127_MAPPED_TO_SEG0               0xA1        </span></div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#af3e75d3fb947925e5f17544237ccf0fb">   79</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_VERTICAL_SCROLL_AREA                    0xA3        </span></div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a83ff60cb54bdba6fa86f928da3827806">   80</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_ENTIRE_DISPLAY_OFF                      0xA4        </span></div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aa087c9c8923c76dedb4600f60092f6d2">   81</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_ENTIRE_DISPLAY_ON                       0xA5        </span></div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a8dbbaf279ddc7c21a7561b72a3b665d6">   82</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_NORMAL_DISPLAY                          0xA6        </span></div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a174c62fc65534acdf69fd2fd6abc2957">   83</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_INVERSE_DISPLAY                         0xA7        </span></div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#aa71c14916728c1a3d01bfafaf813f8d3">   84</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_MULTIPLEX_RATIO                         0xA8        </span></div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a4fb98fd01b336d2cd2be40da96a329d0">   85</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_DISPLAY_OFF                             0xAE        </span></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a6a1fade1cf93d278bc47f2845f284ee5">   86</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_DISPLAY_ON                              0xAF        </span></div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a3324fd3d5968ecabc832db9579aca045">   87</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_PAGE_ADDR                               0xB0        </span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a27f530e11738897bd4512770d2758bf3">   88</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_SCAN_DIRECTION_COM0_START               0xC0        </span></div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a4d26a283ad2bcf460ae73031a8c4767f">   89</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_SCAN_DIRECTION_COMN_1_START             0xC8        </span></div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a2048b4a23818ed4f9f2efb59b1745efb">   90</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_DISPLAY_OFFSET                          0xD3        </span></div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a32fbe598dff46ab1bd2d9cb444027edb">   91</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_DISPLAY_CLOCK_DIVIDE                    0xD5        </span></div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ae1ca51453068b09ad720de553a40cfa1">   92</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_SET_ZOOM_IN                             0xD6        </span></div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#af446c14ed9df887a0941045f76608328">   93</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_PRE_CHARGE_PERIOD                       0xD9        </span></div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a9a6f73ae653ccc996d6be732089a6f7c">   94</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_COM_PINS_CONF                           0xDA        </span></div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#a2b08b935af91cf4f6e82b7f4811ea6e6">   95</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_COMH_DESLECT_LEVEL                      0xDB        </span></div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="driver__ssd1306_8c.html#ada24ceb29beb801d654a98edae54cdfc">   96</a></span>&#160;<span class="preprocessor">#define SSD1306_CMD_NOP                                     0xE3        </span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keyword">static</span> uint8_t a_ssd1306_write_byte(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t data, uint8_t cmd)</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;{</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    uint8_t res;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a0907a77291283216ab5cac22a00d4f98">SSD1306_INTERFACE_IIC</a>)                              <span class="comment">/* if iic */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    {</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">if</span> (cmd != 0)                                                          <span class="comment">/* if data */</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        {</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adca3ee7a793bbf510d5267daf0fcf1c5">iic_write</a>(handle-&gt;<a class="code" href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">iic_addr</a>, 0x40, &amp;data, 1) != 0)      <span class="comment">/* write data */</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            {</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                <span class="keywordflow">return</span> 1;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            }</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            {</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                <span class="keywordflow">return</span> 0;                                                      <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            }</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        }</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        {</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adca3ee7a793bbf510d5267daf0fcf1c5">iic_write</a>(handle-&gt;<a class="code" href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">iic_addr</a>, 0x00, &amp;data, 1) != 0)      <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            {</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                <span class="keywordflow">return</span> 1;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            }</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                <span class="keywordflow">return</span> 0;                                                      <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;            }</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    }</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a2a9c98b5a4a08b23cbd342daf403f9eb">SSD1306_INTERFACE_SPI</a>)                         <span class="comment">/* if spi */</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    {</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        res = handle-&gt;<a class="code" href="structssd1306__handle__s.html#aef5678d4a9dc161bfd5f4b92688ff44f">spi_cmd_data_gpio_write</a>(cmd);                            <span class="comment">/* write data command */</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        <span class="keywordflow">if</span> (res != 0)                                                          <span class="comment">/* check error */</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        {</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            <span class="keywordflow">return</span> 1;                                                          <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        }</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        </div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adac0200f9c9e205330090e0d34f605d5">spi_write_cmd</a>(&amp;data, 1) != 0)                              <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        {</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            <span class="keywordflow">return</span> 1;                                                          <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        }</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        {</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            <span class="keywordflow">return</span> 0;                                                          <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        }</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    }</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        <span class="keywordflow">return</span> 1;                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    }</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;}</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="keyword">static</span> uint8_t a_ssd1306_multiple_write_byte(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t *data, uint8_t len, uint8_t cmd)</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;{    </div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    uint8_t res;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a0907a77291283216ab5cac22a00d4f98">SSD1306_INTERFACE_IIC</a>)                               <span class="comment">/* if iic */</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    {</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        <span class="keywordflow">if</span> (cmd != 0)                                                           <span class="comment">/* if data */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        {</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adca3ee7a793bbf510d5267daf0fcf1c5">iic_write</a>(handle-&gt;<a class="code" href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">iic_addr</a>, 0x40, data, len) != 0)      <span class="comment">/* write data */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            {</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;            }</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            {</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                <span class="keywordflow">return</span> 0;                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            }</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        }</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        {</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adca3ee7a793bbf510d5267daf0fcf1c5">iic_write</a>(handle-&gt;<a class="code" href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">iic_addr</a>, 0x00, data, len) != 0)      <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            {</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            }</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            {</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                <span class="keywordflow">return</span> 0;                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            }</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    }</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a2a9c98b5a4a08b23cbd342daf403f9eb">SSD1306_INTERFACE_SPI</a>)                          <span class="comment">/* if spi */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    {</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        res = handle-&gt;<a class="code" href="structssd1306__handle__s.html#aef5678d4a9dc161bfd5f4b92688ff44f">spi_cmd_data_gpio_write</a>(cmd);                             <span class="comment">/* write data command */</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        <span class="keywordflow">if</span> (res != 0)                                                           <span class="comment">/* check error */</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        {</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        }</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        </div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adac0200f9c9e205330090e0d34f605d5">spi_write_cmd</a>(data, len) != 0)                              <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        {</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        }</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        {</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            <span class="keywordflow">return</span> 0;                                                           <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        }</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    }</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    {</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    }</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;}</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160; </div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="keyword">static</span> uint8_t a_ssd1306_gram_draw_point(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, uint8_t data)</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;{</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    uint8_t pos;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    uint8_t bx;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    uint8_t temp = 0;</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    </div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    pos = y / 8;                              <span class="comment">/* get y page */</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    bx = y % 8;                               <span class="comment">/* get y point */</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    temp = 1 &lt;&lt; bx;                           <span class="comment">/* set data */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <span class="keywordflow">if</span> (data != 0)                            <span class="comment">/* if 1  */</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    {</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] |= temp;         <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    }</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    {</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] &amp;= ~temp;        <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    }</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  </div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keywordflow">return</span> 0;                                 <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;}</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160; </div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="keyword">static</span> uint8_t a_ssd1306_gram_show_char(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, uint8_t chr, uint8_t size, uint8_t mode)</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;{</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    uint8_t temp, t, t1;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    uint8_t y0 = y;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    uint8_t csize = (size / 8 + ((size % 8) ? 1 : 0)) * (size / 2);                 <span class="comment">/* get size */</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    </div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    chr = chr - <span class="charliteral">&#39; &#39;</span>;                                                                <span class="comment">/* get index */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="keywordflow">for</span> (t = 0; t &lt; csize; t++)                                                     <span class="comment">/* write size */</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    {   </div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;        <span class="keywordflow">if</span> (size == 12)                                                             <span class="comment">/* if size 12 */</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        {</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;            temp = gsc_ssd1306_ascii_1206[chr][t];                                  <span class="comment">/* get ascii 1206 */</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        }</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (size == 16)                                                        <span class="comment">/* if size 16 */</span></div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        {</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;            temp = gsc_ssd1306_ascii_1608[chr][t];                                  <span class="comment">/* get ascii 1608 */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        }</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span>(size == 24)                                                         <span class="comment">/* if size 24 */</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        {</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            temp = gsc_ssd1306_ascii_2412[chr][t];                                  <span class="comment">/* get ascii 2412 */</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        }</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;        {</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;        }</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;        <span class="keywordflow">for</span> (t1 = 0; t1 &lt; 8; t1++)                                                  <span class="comment">/* write one line */</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        {</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;            <span class="keywordflow">if</span> ((temp &amp; 0x80) != 0)                                                 <span class="comment">/* if 1 */</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;            {</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;                <span class="keywordflow">if</span> (a_ssd1306_gram_draw_point(handle, x, y, mode) != 0)             <span class="comment">/* draw point */</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;                {</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;                    <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;                }</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;            }</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;            <span class="keywordflow">else</span> </div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            {</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;                <span class="keywordflow">if</span> (a_ssd1306_gram_draw_point(handle, x, y, !mode) != 0)            <span class="comment">/* draw point */</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;                {</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;                    <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;                }</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;            }</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;            temp &lt;&lt;= 1;                                                             <span class="comment">/* left shift 1 */</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;            y++;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;            <span class="keywordflow">if</span> ((y - y0) == size)                                                   <span class="comment">/* reset size */</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;            {</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;                y = y0;                                                             <span class="comment">/* set y */</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;                x++;                                                                <span class="comment">/* x++ */</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;                </div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;                <span class="keywordflow">break</span>;                                                              <span class="comment">/* break */</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;            }</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;        }</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    }</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;  </div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    <span class="keywordflow">return</span> 0;                                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;}</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gabdb73f24b43dcd93775ea24702b938d4">  334</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gabdb73f24b43dcd93775ea24702b938d4">ssd1306_clear</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle)</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;{</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    uint8_t n;</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;    </div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                               <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    {</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    }</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                          <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    {</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    }</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    </div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)                                                                           <span class="comment">/* write 8 page */</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    {  </div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a3324fd3d5968ecabc832db9579aca045">SSD1306_CMD_PAGE_ADDR</a>+i, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)                  <span class="comment">/* set page */</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        {</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                     <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;            </div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            <span class="keywordflow">return</span> 1;                                                                                 <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        }</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a6f15fa264c427507906ab5822daab2a2">SSD1306_CMD_LOWER_COLUMN_START_ADDRESS</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)   <span class="comment">/* set lower column 0 */</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;        {</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                     <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;            </div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;            <span class="keywordflow">return</span> 1;                                                                                 <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        }</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a7ea59dc0f1cf1f7f13c1f3540cf67d3e">SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)  <span class="comment">/* set higher column 0 */</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        {</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                     <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;            </div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;            <span class="keywordflow">return</span> 1;                                                                                 <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;        }</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;        <span class="keywordflow">for</span> (n = 0; n &lt; 128; n++)                                                                     <span class="comment">/* write 128 */</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        {</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[n][i] = 0x00;                                                                <span class="comment">/* set black */</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;            <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[n][i], <a class="code" href="driver__ssd1306_8c.html#a002e3b75ec7ef9b0191f4dfce6904d2a">SSD1306_DATA</a>) != 0)                  <span class="comment">/* write data */</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;            {</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;                handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                 <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;                </div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                <span class="keywordflow">return</span> 1;                                                                             <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;            }</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        }</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    }</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    </div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    <span class="keywordflow">return</span> 0;                                                                                         <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;}</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160; </div>
<div class="line"><a name="l00393"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gad13acd1205c86a2c63ac8b22df33dba1">  393</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gad13acd1205c86a2c63ac8b22df33dba1">ssd1306_gram_update</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle)</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;{</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    uint8_t n;</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    </div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                               <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    {</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    }</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                          <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    {</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;    }</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    </div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)                                                                           <span class="comment">/* write 8 page */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    {  </div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a3324fd3d5968ecabc832db9579aca045">SSD1306_CMD_PAGE_ADDR</a>+i, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)                  <span class="comment">/* set page */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;        {</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                     <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;            </div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;            <span class="keywordflow">return</span> 1;                                                                                 <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;        }</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a6f15fa264c427507906ab5822daab2a2">SSD1306_CMD_LOWER_COLUMN_START_ADDRESS</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)   <span class="comment">/* set lower column 0 */</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        {</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                     <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;            </div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;            <span class="keywordflow">return</span> 1;                                                                                 <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        }</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a7ea59dc0f1cf1f7f13c1f3540cf67d3e">SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)  <span class="comment">/* set higher column 0 */</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        {</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                     <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;            </div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            <span class="keywordflow">return</span> 1;                                                                                 <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        }</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;        <span class="keywordflow">for</span> (n = 0; n &lt; 128; n++)                                                                     <span class="comment">/* write 128 */</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;        {</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;            <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[n][i], <a class="code" href="driver__ssd1306_8c.html#a002e3b75ec7ef9b0191f4dfce6904d2a">SSD1306_DATA</a>) != 0)                  <span class="comment">/* write data */</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;            {</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;                handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                 <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;                </div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;                <span class="keywordflow">return</span> 1;                                                                             <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;            }</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;        }</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;    }</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;    </div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    <span class="keywordflow">return</span> 0;                                                                                         <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;}</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160; </div>
<div class="line"><a name="l00455"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga00cf50facfe27a181096bd8946235e7d">  455</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga00cf50facfe27a181096bd8946235e7d">ssd1306_write_point</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, uint8_t data)</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;{</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;    uint8_t pos;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    uint8_t bx;</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;    uint8_t temp = 0;</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;    </div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                                        <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    {</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    }</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                                   <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    {</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    }</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    <span class="keywordflow">if</span> ((x &gt; 127) || (y &gt; 63))                                                                                 <span class="comment">/* check x, y */</span></div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    {</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: x or y is invalid.\n&quot;</span>);                                                  <span class="comment">/* x or y is invalid */</span></div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;        </div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;        <span class="keywordflow">return</span> 4;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    }</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    </div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    pos = y / 8;                                                                                               <span class="comment">/* get y page */</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    bx = y % 8;                                                                                                <span class="comment">/* get y point */</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    temp = 1 &lt;&lt; bx;                                                                                            <span class="comment">/* set data */</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    <span class="keywordflow">if</span> (data != 0)                                                                                             <span class="comment">/* check the data */</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    {</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] |= temp;                                                                          <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    }</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;    {</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] &amp;= ~temp;                                                                         <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    }</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a3324fd3d5968ecabc832db9579aca045">SSD1306_CMD_PAGE_ADDR</a> + pos, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)                           <span class="comment">/* write page addr */</span></div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;    {</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                                  <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        </div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        <span class="keywordflow">return</span> 1;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;    }</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a6f15fa264c427507906ab5822daab2a2">SSD1306_CMD_LOWER_COLUMN_START_ADDRESS</a>|(x&amp;0x0F), <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)       <span class="comment">/* write lower column */</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    {</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                                  <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        </div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        <span class="keywordflow">return</span> 1;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    }</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a7ea59dc0f1cf1f7f13c1f3540cf67d3e">SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS</a>|((x&gt;4)&amp;0x0F), <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)  <span class="comment">/* write higher column */</span></div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    {</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                                  <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;        </div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;        <span class="keywordflow">return</span> 1;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    }</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;    <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos], <a class="code" href="driver__ssd1306_8c.html#a002e3b75ec7ef9b0191f4dfce6904d2a">SSD1306_DATA</a>) != 0)                                 <span class="comment">/* write data */</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    {</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write byte failed.\n&quot;</span>);                                                  <span class="comment">/* write byte failed */</span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;        </div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;        <span class="keywordflow">return</span> 1;                                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    }</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    {</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;       <span class="keywordflow">return</span> 0;                                                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    }</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;}</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160; </div>
<div class="line"><a name="l00531"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga7c55130a641972ab4b4d591c50eb5494">  531</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga7c55130a641972ab4b4d591c50eb5494">ssd1306_read_point</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, uint8_t *data)</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;{</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    uint8_t pos;</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    uint8_t bx;</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    uint8_t temp = 0;</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    </div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                              <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;    {</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;        <span class="keywordflow">return</span> 2;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    }</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                         <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    {</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;        <span class="keywordflow">return</span> 3;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;    }</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="keywordflow">if</span> ((x &gt; 127) || (y &gt; 63))                                       <span class="comment">/* check x, y */</span></div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    {</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: x or y is invalid.\n&quot;</span>);        <span class="comment">/* x or y is invalid */</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;        </div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;        <span class="keywordflow">return</span> 4;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;    }</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;    </div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;    pos = y / 8;                                                     <span class="comment">/* get y page */</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;    bx = y % 8;                                                      <span class="comment">/* get y point */</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;    temp = 1 &lt;&lt; bx;                                                  <span class="comment">/* set data */</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;    <span class="keywordflow">if</span> ((handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] &amp; temp) != 0)                          <span class="comment">/* get data */</span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    {</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;        *data = 1;                                                   <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;    }</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;    {</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;        *data = 0;                                                   <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;    }</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;  </div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;    <span class="keywordflow">return</span> 0;                                                        <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;}</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160; </div>
<div class="line"><a name="l00581"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga21e8fae48cd8be88d0b42ed7cf4460b7">  581</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga21e8fae48cd8be88d0b42ed7cf4460b7">ssd1306_gram_write_point</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, uint8_t data)</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;{</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;    uint8_t pos;</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    uint8_t bx;</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;    uint8_t temp = 0;</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;    </div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                              <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;    {</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;        <span class="keywordflow">return</span> 2;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;    }</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                         <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;    {</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;        <span class="keywordflow">return</span> 3;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    }</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;    <span class="keywordflow">if</span> ((x &gt; 127) || (y &gt; 63))                                       <span class="comment">/* check x, y */</span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    {</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: x or y is invalid.\n&quot;</span>);        <span class="comment">/* x or y is invalid */</span></div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;        </div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;        <span class="keywordflow">return</span> 4;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;    }</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;    </div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;    pos = y / 8;                                                     <span class="comment">/* get y page */</span></div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;    bx = y % 8;                                                      <span class="comment">/* get y point */</span></div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;    temp = 1 &lt;&lt; bx;                                                  <span class="comment">/* set data */</span></div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;    <span class="keywordflow">if</span> (data != 0)                                                   <span class="comment">/* if 1 */</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;    {</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] |= temp;                                <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    }</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;    {</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] &amp;= ~temp;                               <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;    }</div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;  </div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;    <span class="keywordflow">return</span> 0;                                                        <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;}</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160; </div>
<div class="line"><a name="l00631"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga1a1bc9a742d5f206e475f2e00102962c">  631</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga1a1bc9a742d5f206e475f2e00102962c">ssd1306_gram_read_point</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, uint8_t *data)</div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;{</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;    uint8_t pos;</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;    uint8_t bx;</div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    uint8_t temp = 0;</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;    </div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                              <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;    {</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;        <span class="keywordflow">return</span> 2;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;    }</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                         <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;    {</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;        <span class="keywordflow">return</span> 3;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;    }</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;    <span class="keywordflow">if</span> ((x &gt; 127) || (y &gt; 63))                                       <span class="comment">/* check x, y */</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;    {</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: x or y is invalid.\n&quot;</span>);        <span class="comment">/* x or y is invalid */</span></div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;        </div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;        <span class="keywordflow">return</span> 4;                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;    }</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;    </div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    pos = y / 8;                                                     <span class="comment">/* get y page */</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    bx = y % 8;                                                      <span class="comment">/* get y point */</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    temp = 1 &lt;&lt; bx;                                                  <span class="comment">/* set data */</span></div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    <span class="keywordflow">if</span> ((handle-&gt;<a class="code" href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">gram</a>[x][pos] &amp; temp) != 0)                          <span class="comment">/* get data */</span></div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    {</div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;        *data = 1;                                                   <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;    }</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;    {</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;        *data = 0;                                                   <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;    }</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;  </div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    <span class="keywordflow">return</span> 0;                                                        <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;}</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160; </div>
<div class="line"><a name="l00684"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gab8ecebeae67b19ff6f9e097f4aafb81b">  684</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gab8ecebeae67b19ff6f9e097f4aafb81b">ssd1306_gram_write_string</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t x, uint8_t y, <span class="keywordtype">char</span> *str, uint16_t len, uint8_t color, <a class="code" href="group__ssd1306__base__driver.html#ga5d123c964a7a3d2c3dc6c2fca961f525">ssd1306_font_t</a> font)</div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;{    </div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                      <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;    {</div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;        <span class="keywordflow">return</span> 2;                                                            <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;    }</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                 <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    {</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;        <span class="keywordflow">return</span> 3;                                                            <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;    }</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    <span class="keywordflow">if</span>((x &gt; 127) || (y &gt; 63))                                                <span class="comment">/* check x, y */</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;    {</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: x or y is invalid.\n&quot;</span>);                <span class="comment">/* x or y is invalid */</span></div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;        </div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;        <span class="keywordflow">return</span> 4;                                                            <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;    }</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;    </div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;    <span class="keywordflow">while</span> ((len != 0) &amp;&amp; (*str &lt;= <span class="charliteral">&#39;~&#39;</span>) &amp;&amp; (*str &gt;= <span class="charliteral">&#39; &#39;</span>))                     <span class="comment">/* write all string */</span></div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;    {       </div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;        <span class="keywordflow">if</span> (x &gt; (127 - (font / 2)))                                          <span class="comment">/* check x point */</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;        {</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;            x = 0;                                                           <span class="comment">/* set x */</span></div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;            y += (uint8_t)font;                                              <span class="comment">/* set next row */</span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;        }</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;        <span class="keywordflow">if</span> (y &gt; (63 - font))                                                 <span class="comment">/* check y pont */</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;        {</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;            y = x = 0;                                                       <span class="comment">/* reset to 0,0 */</span></div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;        }</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;        <span class="keywordflow">if</span> (a_ssd1306_gram_show_char(handle, x, y, *str, font, color) != 0)  <span class="comment">/* show a char */</span></div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;        {</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;            <span class="keywordflow">return</span> 1;                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;        }</div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;        x += (uint8_t)(font / 2);                                            <span class="comment">/* x + font/2 */</span></div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;        str++;                                                               <span class="comment">/* str address++ */</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;        len--;                                                               <span class="comment">/* str length-- */</span></div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;    }</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;    </div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;    <span class="keywordflow">return</span> 0;                                                                <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;}</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160; </div>
<div class="line"><a name="l00742"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga6c67db47ad6765b8faa8703d571df584">  742</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga6c67db47ad6765b8faa8703d571df584">ssd1306_gram_fill_rect</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t color)</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;{</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;    uint8_t x, y;  </div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;    </div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;    {</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;    }</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;    {</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    }</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;    <span class="keywordflow">if</span> ((left &gt; 127) || (top &gt; 63))                                             <span class="comment">/* check left top */</span></div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;    {</div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: left or top is invalid.\n&quot;</span>);              <span class="comment">/* left or top is invalid */</span></div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;        </div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;        <span class="keywordflow">return</span> 4;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;    }</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    <span class="keywordflow">if</span> ((right &gt; 127) || (bottom &gt; 63))                                         <span class="comment">/* check right bottom */</span></div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;    {</div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: right or bottom is invalid.\n&quot;</span>);          <span class="comment">/* right or bottom is invalid */</span></div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;        </div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;        <span class="keywordflow">return</span> 5;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;    }</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    <span class="keywordflow">if</span> ((left &gt; right) || (top &gt; bottom))                                       <span class="comment">/* check left right top bottom */</span></div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;    {</div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: left &gt; right or top &gt; bottom.\n&quot;</span>);        <span class="comment">/* left &gt; right or top &gt; bottom */</span></div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;        </div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;        <span class="keywordflow">return</span> 6;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;    }</div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;    </div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;    <span class="keywordflow">for</span> (x = left; x &lt;= right; x++)                                             <span class="comment">/* write x */</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;    {</div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;        <span class="keywordflow">for</span> (y = top; y &lt;= bottom; y++)                                         <span class="comment">/* write y */</span></div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;        {</div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;            <span class="keywordflow">if</span> (a_ssd1306_gram_draw_point(handle, x, y, color) != 0)            <span class="comment">/* draw point */</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;            {</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;            }</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;        }</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;    }</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;    </div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;    <span class="keywordflow">return</span> 0;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;}</div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160; </div>
<div class="line"><a name="l00805"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga4c12993f9009017f3c6b58f2c98dda75">  805</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga4c12993f9009017f3c6b58f2c98dda75">ssd1306_gram_draw_picture</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t *img)</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;{    </div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;    uint8_t x, y;  </div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    </div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;    {</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;    }</div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;    {</div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;    }</div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;    <span class="keywordflow">if</span> ((left &gt; 127) || (top &gt; 63))                                             <span class="comment">/* check left top */</span></div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;    {</div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: left or top is invalid.\n&quot;</span>);              <span class="comment">/* left or top is invalid */</span></div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;        </div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;        <span class="keywordflow">return</span> 4;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    }</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;    <span class="keywordflow">if</span> ((right &gt; 127) || (bottom &gt; 63))                                         <span class="comment">/* check right bottom */</span></div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;    {</div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: right or bottom is invalid.\n&quot;</span>);          <span class="comment">/* right or bottom is invalid */</span></div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;        </div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;        <span class="keywordflow">return</span> 5;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;    }</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;    <span class="keywordflow">if</span> ((left &gt; right) || (top &gt; bottom))                                       <span class="comment">/* check left right top bottom */</span></div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;    {</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: left &gt; right or top &gt; bottom.\n&quot;</span>);        <span class="comment">/* left &gt; right or top &gt; bottom */</span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;        </div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;        <span class="keywordflow">return</span> 6;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;    }</div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;    </div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;    <span class="keywordflow">for</span> (x = left; x &lt;= right; x++)                                             <span class="comment">/* write x */</span></div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;    {</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;        <span class="keywordflow">for</span> (y = top; y &lt;= bottom; y++)                                         <span class="comment">/* write y */</span></div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;        {</div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;            <span class="keywordflow">if</span> (a_ssd1306_gram_draw_point(handle, x, y, *img) != 0)             <span class="comment">/* draw point */</span></div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;            {</div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;            }</div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;            img++;                                                              <span class="comment">/* img++ */</span></div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;        }</div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;    }</div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;    </div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;    <span class="keywordflow">return</span> 0;                                                                   <span class="comment">/* succeed return 0 */</span></div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;}</div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160; </div>
<div class="line"><a name="l00864"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaff19089a6c734bd8cf06d5bfc610f0e4">  864</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaff19089a6c734bd8cf06d5bfc610f0e4">ssd1306_init</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle)</div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;{</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                             <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;    {</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;        <span class="keywordflow">return</span> 2;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;    }</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a> == NULL)                                                <span class="comment">/* check debug_print */</span></div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;    {</div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;    }</div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a8826dd07625f8d90859ce9bd09628d61">iic_init</a> == NULL)                                                   <span class="comment">/* check iic_init */</span></div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;    {</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: iic_init is null.\n&quot;</span>);                        <span class="comment">/* iic_init is null */</span></div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;        </div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;    }</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#af6963bbad902ca6e43942b48c07986c3">iic_deinit</a> == NULL)                                                 <span class="comment">/* check iic_deinit */</span></div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    {</div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: iic_deinit is null.\n&quot;</span>);                      <span class="comment">/* iic_deinit is null */</span></div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;       </div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;    }</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adca3ee7a793bbf510d5267daf0fcf1c5">iic_write</a> == NULL)                                                  <span class="comment">/* check iic_write */</span></div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;    {</div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: iic_write is null.\n&quot;</span>);                       <span class="comment">/* iic_write is null */</span></div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;       </div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;    }</div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a30df505f4bd8bc8754fc0a36cfbe46d6">spi_init</a> == NULL)                                                   <span class="comment">/* check spi_init */</span></div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;    {</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi_init is null.\n&quot;</span>);                        <span class="comment">/* spi_init is null */</span></div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;        </div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;    }</div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a9adb2481330acacfd7f6a04ce3310fab">spi_deinit</a> == NULL)                                                 <span class="comment">/* check spi_deinit */</span></div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;    {</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi_deinit is null.\n&quot;</span>);                      <span class="comment">/* spi_deinit is null */</span></div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;       </div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;    }</div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#adac0200f9c9e205330090e0d34f605d5">spi_write_cmd</a> == NULL)                                              <span class="comment">/* check spi_write_cmd */</span></div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;    {</div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi_write_cmd is null.\n&quot;</span>);                   <span class="comment">/* spi_write_cmd is null */</span></div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;       </div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;    }</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a406c9433252b7366de417b7a60915c81">delay_ms</a> == NULL)                                                   <span class="comment">/* check delay_ms */</span></div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;    {</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: delay_ms is null.\n&quot;</span>);                        <span class="comment">/* delay_ms is null */</span></div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;        </div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;    }</div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#ab1b7018a38d5e6fac98532fb9d158af7">spi_cmd_data_gpio_init</a> == NULL)                                     <span class="comment">/* check spi_cmd_data_gpio_init */</span></div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;    {</div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi_cmd_data_gpio_init is null.\n&quot;</span>);          <span class="comment">/* spi_cmd_data_gpio_init is null */</span></div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;       </div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;    }</div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a> == NULL)                                   <span class="comment">/* check spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;    {</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi_cmd_data_gpio_deinit is null.\n&quot;</span>);        <span class="comment">/* spi_cmd_data_gpio_deinit is null */</span></div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;       </div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;    }</div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#aef5678d4a9dc161bfd5f4b92688ff44f">spi_cmd_data_gpio_write</a> == NULL)                                    <span class="comment">/* check spi_cmd_data_gpio_write */</span></div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;    {</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi_cmd_data_gpio_write is null.\n&quot;</span>);         <span class="comment">/* spi_cmd_data_gpio_write is null */</span></div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;        </div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;    }</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#aa264e23f5c4ddd7a9bfa5cd9e387e013">reset_gpio_init</a> == NULL)                                            <span class="comment">/* check reset_gpio_init */</span></div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;    {</div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset_gpio_init is null.\n&quot;</span>);                 <span class="comment">/* reset_gpio_init is null */</span></div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;        </div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;    }</div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a> == NULL)                                          <span class="comment">/* check reset_gpio_deinit */</span></div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;    {</div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset_gpio_deinit is null.\n&quot;</span>);               <span class="comment">/* reset_gpio_deinit is null */</span></div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;        </div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;    }</div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;    <span class="keywordflow">if</span>(handle-&gt;<a class="code" href="structssd1306__handle__s.html#af0011f96a61e36716a376f2a427fdd27">reset_gpio_write</a> == NULL)                                            <span class="comment">/* check reset_gpio_write */</span></div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;    {</div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset_gpio_write is null.\n&quot;</span>);                <span class="comment">/* reset_gpio_write is null */</span> </div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;        </div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;        <span class="keywordflow">return</span> 3;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;    }</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;    </div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#ab1b7018a38d5e6fac98532fb9d158af7">spi_cmd_data_gpio_init</a>() != 0)                                      <span class="comment">/* check spi_cmd_data_gpio_init */</span></div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;    {</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi cmd data gpio init failed.\n&quot;</span>);           <span class="comment">/* spi cmd data gpio init failed */</span></div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;        </div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;        <span class="keywordflow">return</span> 5;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;    }</div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#aa264e23f5c4ddd7a9bfa5cd9e387e013">reset_gpio_init</a>() != 0)                                             <span class="comment">/* reset gpio init */</span></div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;    {</div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset gpio init failed.\n&quot;</span>);                  <span class="comment">/* reset gpio init failed */</span></div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>();                                   <span class="comment">/* spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;        </div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;        <span class="keywordflow">return</span> 4;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    }</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#af0011f96a61e36716a376f2a427fdd27">reset_gpio_write</a>(0) != 0)                                           <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;    {</div>
<div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset gpio write failed.\n&quot;</span>);                 <span class="comment">/* reset gpio write failed */</span></div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>();                                   <span class="comment">/* spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a>();                                          <span class="comment">/* reset_gpio_deinit */</span></div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;        </div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;        <span class="keywordflow">return</span> 4;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;    }</div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;    handle-&gt;<a class="code" href="structssd1306__handle__s.html#a406c9433252b7366de417b7a60915c81">delay_ms</a>(100);                                                          <span class="comment">/* delay 100 ms */</span></div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#af0011f96a61e36716a376f2a427fdd27">reset_gpio_write</a>(1) != 0)                                           <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;    {</div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset gpio write failed.\n&quot;</span>);                 <span class="comment">/* reset gpio write failed */</span></div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>();                                   <span class="comment">/* spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a>();                                          <span class="comment">/* reset_gpio_deinit */</span></div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;        </div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;        <span class="keywordflow">return</span> 4;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;    }</div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a0907a77291283216ab5cac22a00d4f98">SSD1306_INTERFACE_IIC</a>)                                   <span class="comment">/* if iic interface */</span></div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;    {</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a8826dd07625f8d90859ce9bd09628d61">iic_init</a>() != 0)                                                <span class="comment">/* iic init */</span></div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;        {</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: iic init failed.\n&quot;</span>);                     <span class="comment">/* iic init failed */</span></div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;            (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>();                               <span class="comment">/* spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;            (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a>();                                      <span class="comment">/* reset_gpio_deinit */</span></div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;            </div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;            <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;        }</div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;    }</div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a2a9c98b5a4a08b23cbd342daf403f9eb">SSD1306_INTERFACE_SPI</a>)                              <span class="comment">/* if spi interface */</span></div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;    {</div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a30df505f4bd8bc8754fc0a36cfbe46d6">spi_init</a>() != 0)                                                <span class="comment">/* spi init */</span></div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;        {</div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi init failed.\n&quot;</span>);                     <span class="comment">/* spi init failed */</span></div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;            (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>();                               <span class="comment">/* spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;            (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a>();                                      <span class="comment">/* reset_gpio_deinit */</span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;            </div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;            <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;        }</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;    }</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    {</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: interface is invalid.\n&quot;</span>);                    <span class="comment">/* interface is invalid */</span></div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>();                                   <span class="comment">/* spi_cmd_data_gpio_deinit */</span></div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;        (void)handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a>();                                          <span class="comment">/* reset_gpio_deinit */</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;        </div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;        <span class="keywordflow">return</span> 6;                                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;    }</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;    handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> = 1;                                                             <span class="comment">/* flag inited */</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;    </div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;    <span class="keywordflow">return</span> 0;                                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;}</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160; </div>
<div class="line"><a name="l01032"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaa6ab33cbbce1ee0b495abf2fe5b208f0"> 1032</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaa6ab33cbbce1ee0b495abf2fe5b208f0">ssd1306_deinit</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle)</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;{</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;    </div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                              <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;    {</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;        <span class="keywordflow">return</span> 2;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;    }</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                         <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;    {</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;        <span class="keywordflow">return</span> 3;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;    }</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;    </div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#ad899aabcbcadba31b2a339f742b21493">SSD1306_CMD_CHARGE_PUMP_SETTING</a>;                                        <span class="comment">/* charge pump off */</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;    buf[1] = 0x10 | (0 &lt;&lt; 2);                                                        <span class="comment">/* set charge pump */</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;    <span class="keywordflow">if</span> (a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)  <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;    {</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write command failed.\n&quot;</span>);                     <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;            </div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;        <span class="keywordflow">return</span> 4;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;    }</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;    <span class="keywordflow">if</span> (a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a4fb98fd01b336d2cd2be40da96a329d0">SSD1306_CMD_DISPLAY_OFF</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>) != 0)     <span class="comment">/* write display off */</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;    {</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: write command failed.\n&quot;</span>);                     <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;            </div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;        <span class="keywordflow">return</span> 4;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;    }</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">reset_gpio_deinit</a>() != 0)                                            <span class="comment">/* reset gpio deinit */</span></div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;    {</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: reset gpio deinit failed.\n&quot;</span>);                 <span class="comment">/* reset gpio deinit failed */</span></div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;            </div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;        <span class="keywordflow">return</span> 5;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;    }</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">spi_cmd_data_gpio_deinit</a>() != 0)                                     <span class="comment">/* spi cmd data gpio deinit */</span></div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;    {</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi cmd data gpio deinit failed.\n&quot;</span>);          <span class="comment">/* spi cmd data gpio deinit failed */</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;            </div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;        <span class="keywordflow">return</span> 6;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;    }</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a0907a77291283216ab5cac22a00d4f98">SSD1306_INTERFACE_IIC</a>)                                    <span class="comment">/* if iic interface */</span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;    {</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#af6963bbad902ca6e43942b48c07986c3">iic_deinit</a>() != 0)                                               <span class="comment">/* iic deinit */</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;        {</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: iic deinit failed.\n&quot;</span>);                    <span class="comment">/* iic deinit failed */</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;            </div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;            <span class="keywordflow">return</span> 1;                                                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;        }</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;    }</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> == <a class="code" href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a2a9c98b5a4a08b23cbd342daf403f9eb">SSD1306_INTERFACE_SPI</a>)                               <span class="comment">/* if spi interface */</span></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;    {</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a9adb2481330acacfd7f6a04ce3310fab">spi_deinit</a>() != 0)                                               <span class="comment">/* spi deinit */</span></div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;        {</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;            handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: spi deinit failed.\n&quot;</span>);                    <span class="comment">/* spi deinit failed */</span></div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;            </div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;            <span class="keywordflow">return</span> 1;                                                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;        }</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;    }</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;    {</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: interface is invalid.\n&quot;</span>);                     <span class="comment">/* interface is invalid */</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;        </div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;        <span class="keywordflow">return</span> 7;                                                                    <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;    }</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;    handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> = 0;                                                              <span class="comment">/* flag close */</span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;    </div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;    <span class="keywordflow">return</span> 0;                                                                        <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;}</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160; </div>
<div class="line"><a name="l01109"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaf09a77d1992afb51a10d0dfa16ef7faf"> 1109</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaf09a77d1992afb51a10d0dfa16ef7faf">ssd1306_set_interface</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga286400b4b897e3f74d9bee53d2707242">ssd1306_interface_t</a> interface)</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;{</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                          <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;    {</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;        <span class="keywordflow">return</span> 2;                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;    }</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;    </div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;    handle-&gt;<a class="code" href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">iic_spi</a> = (uint8_t)interface;        <span class="comment">/* set interface */</span></div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;    </div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;    <span class="keywordflow">return</span> 0;                                    <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;}</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160; </div>
<div class="line"><a name="l01130"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga7597547382551e6ec6869aea44e4a622"> 1130</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga7597547382551e6ec6869aea44e4a622">ssd1306_get_interface</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga286400b4b897e3f74d9bee53d2707242">ssd1306_interface_t</a> *interface)</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;{</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;    {</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;        <span class="keywordflow">return</span> 2;                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;    }</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;    </div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;    *<span class="keyword">interface </span>= (<a class="code" href="group__ssd1306__base__driver.html#ga286400b4b897e3f74d9bee53d2707242">ssd1306_interface_t</a>)(handle-&gt;iic_spi);        <span class="comment">/* get interface */</span></div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;    </div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;    <span class="keywordflow">return</span> 0;                                                   <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;}</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160; </div>
<div class="line"><a name="l01151"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga3c5208ca2b8fce8fc7bde1fc4bfa9d05"> 1151</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga3c5208ca2b8fce8fc7bde1fc4bfa9d05">ssd1306_set_addr_pin</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga9bb792cb36f7d0fd2229c13c26ad7182">ssd1306_address_t</a> addr_pin)</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;{</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                          <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;    {</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;        <span class="keywordflow">return</span> 2;                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;    }</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;    </div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;    handle-&gt;<a class="code" href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">iic_addr</a> = (uint8_t)addr_pin;        <span class="comment">/* set addr pin */</span></div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;    </div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;    <span class="keywordflow">return</span> 0;                                    <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;}</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160; </div>
<div class="line"><a name="l01172"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaa1e2348f2744d57bf79e4915715846fe"> 1172</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaa1e2348f2744d57bf79e4915715846fe">ssd1306_get_addr_pin</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga9bb792cb36f7d0fd2229c13c26ad7182">ssd1306_address_t</a> *addr_pin)</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;{</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                       <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;    {</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;        <span class="keywordflow">return</span> 2;                                             <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;    }</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;    </div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;    *addr_pin = (<a class="code" href="group__ssd1306__base__driver.html#ga9bb792cb36f7d0fd2229c13c26ad7182">ssd1306_address_t</a>)(handle-&gt;<a class="code" href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">iic_addr</a>);        <span class="comment">/* set address */</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;    </div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;    <span class="keywordflow">return</span> 0;                                                 <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;}</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160; </div>
<div class="line"><a name="l01196"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gad61d0d69d8da5b83515ce48d971c2559"> 1196</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gad61d0d69d8da5b83515ce48d971c2559">ssd1306_set_low_column_start_address</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t addr)</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;{</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;    {</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;    }</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;    {</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;    }</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;    <span class="keywordflow">if</span> (addr &gt; 0x0F)                                                                                            <span class="comment">/* check addr */</span></div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;    {</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: addr is invalid.\n&quot;</span>);                                                     <span class="comment">/* addr is invalid */</span></div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;        </div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;        <span class="keywordflow">return</span> 4;                                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;    }</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;  </div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a6f15fa264c427507906ab5822daab2a2">SSD1306_CMD_LOWER_COLUMN_START_ADDRESS</a>|(addr&amp;0x0F), <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;}</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160; </div>
<div class="line"><a name="l01228"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaa5160b65db212aa7150aa3a00cd3f47c"> 1228</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaa5160b65db212aa7150aa3a00cd3f47c">ssd1306_set_high_column_start_address</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t addr)</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;{</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;    {</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;    }</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;    {</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;    }</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;    <span class="keywordflow">if</span> (addr &gt; 0x0F)                                                                                            <span class="comment">/* check addr */</span></div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;    {</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: addr is invalid.\n&quot;</span>);                                                     <span class="comment">/* addr is invalid */</span></div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;        </div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;        <span class="keywordflow">return</span> 4;                                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;    }</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;  </div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a7ea59dc0f1cf1f7f13c1f3540cf67d3e">SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS</a>|(addr&amp;0x0F), <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);      <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;}</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160; </div>
<div class="line"><a name="l01259"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga285a77dab43317a3885e669f7716eaba"> 1259</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga285a77dab43317a3885e669f7716eaba">ssd1306_set_memory_addressing_mode</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga48c80c30c1a800d3fb79af6f904a188c">ssd1306_memory_addressing_mode_t</a> mode)</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;{</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160; </div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;    {</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;    }</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;    {</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;    }</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;  </div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a72725317f016ab02ff1870b8a7ed04a0">SSD1306_CMD_MEMORY_ADDRESSING_MODE</a>;                                        <span class="comment">/* set command mode */</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;    buf[1] = mode;                                                                      <span class="comment">/* set mode */</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;  </div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;}</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160; </div>
<div class="line"><a name="l01292"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gace80f71defecb1723ae1d5c53ac7c7c5"> 1292</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gace80f71defecb1723ae1d5c53ac7c7c5">ssd1306_set_column_address_range</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_addr, uint8_t end_addr)</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;{</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;    uint8_t buf[3];</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;    </div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;    {</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;    }</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;    {</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;    }</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;    <span class="keywordflow">if</span> (start_addr &gt; 0x7F)                                                              <span class="comment">/* check start addr */</span></div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;    {</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start addr is invalid.\n&quot;</span>);                       <span class="comment">/* start addr is invalid */</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;        </div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;    }</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;    <span class="keywordflow">if</span> (end_addr &gt; 0x7F)                                                                <span class="comment">/* check end addr */</span></div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;    {</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end addr is invalid.\n&quot;</span>);                         <span class="comment">/* end addr is invalid */</span></div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;        </div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;    }</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;    </div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a88c749b0d22326b07b4bc31713dc0520">SSD1306_CMD_SET_COLUMN_ADDRESS</a>;                                            <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;    buf[1] = start_addr &amp; 0x7F;                                                         <span class="comment">/* set start address */</span></div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;    buf[2] = end_addr &amp; 0x7F;                                                           <span class="comment">/* set end address */</span></div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;  </div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 3, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;}</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160; </div>
<div class="line"><a name="l01338"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga0b6186c60b72c021908e3284800a1c79"> 1338</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga0b6186c60b72c021908e3284800a1c79">ssd1306_set_page_address_range</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_addr, uint8_t end_addr)</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;{</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;    uint8_t buf[3];</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160; </div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;    {</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;    }</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;    {</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;    }</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;    <span class="keywordflow">if</span> (start_addr &gt; 0x07)                                                              <span class="comment">/* check start addr */</span></div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;    {</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start addr is invalid.\n&quot;</span>);                       <span class="comment">/* start addr is invalid */</span></div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;        </div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;    }</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;    <span class="keywordflow">if</span> (end_addr &gt; 0x07)                                                                <span class="comment">/* check end addr */</span></div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;    {</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end addr is invalid.\n&quot;</span>);                         <span class="comment">/* end_addr is invalid */</span></div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;        </div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;    }</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;    </div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a0d7adbb300cdfc3b824c667fbc4a5cc8">SSD1306_CMD_SET_PAGE_ADDRESS</a>;                                              <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;    buf[1] = start_addr &amp; 0x07;                                                         <span class="comment">/* set start address */</span></div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;    buf[2] = end_addr &amp; 0x07;                                                           <span class="comment">/* set end address */</span></div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;  </div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 3, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;}</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160; </div>
<div class="line"><a name="l01383"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gabd899e41e08e8ce70e14b3718e9cfa2a"> 1383</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gabd899e41e08e8ce70e14b3718e9cfa2a">ssd1306_set_fade_blinking_mode</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#gad87b0cee0e0abdadd0b441eb86c21419">ssd1306_fade_blinking_mode_t</a> mode, uint8_t frames)</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;{</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;    </div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;    {</div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;    }</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;    {</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;    }</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;    <span class="keywordflow">if</span> (frames&gt; 0x0F)                                                                   <span class="comment">/* check frames */</span></div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;    {</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: frames is invalid.\n&quot;</span>);                           <span class="comment">/* frames is invalid */</span></div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;        </div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;    }</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;    </div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#ab741784a3ee47c25a986d848e90ed049">SSD1306_CMD_SET_FADE_OUT_AND_BLINKING</a>;                                     <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;    buf[1] = (uint8_t)((mode &lt;&lt; 4) | (frames &amp; 0x0F));                                  <span class="comment">/* set mode */</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;  </div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;}</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160; </div>
<div class="line"><a name="l01423"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaaf15b7b58a888cd5be95878dd59a5bce"> 1423</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaaf15b7b58a888cd5be95878dd59a5bce">ssd1306_set_right_horizontal_scroll</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_page_addr, uint8_t end_page_addr, </div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;                                            <a class="code" href="group__ssd1306__base__driver.html#gaae8e1abaa15f2d308096870ae7841511">ssd1306_scroll_frame_t</a> frames)</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;{</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;    uint8_t buf[7];</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;    </div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;    {</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;    }</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;    {</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;    }</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;    <span class="keywordflow">if</span> (start_page_addr &gt; 0x07)                                                         <span class="comment">/* check start_page_addr */</span></div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;    {</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start page addr is invalid.\n&quot;</span>);                  <span class="comment">/* start page addr is invalid */</span></div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;        </div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;    }</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;    <span class="keywordflow">if</span> (end_page_addr &gt; 0x07)                                                           <span class="comment">/* check end_page_addr */</span></div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;    {</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end page addr is invalid.\n&quot;</span>);                    <span class="comment">/* end page addr is invalid */</span></div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;        </div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;    }</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;    </div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a6e6b3420ca6a3c6b0754ecef35e6d607">SSD1306_CMD_RIGHT_HORIZONTAL_SCROLL</a>;                                       <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;    buf[1] = 0x00;                                                                      <span class="comment">/* set null */</span></div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;    buf[2] = start_page_addr &amp; 0x07;                                                    <span class="comment">/* set start page address */</span></div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;    buf[3] = frames &amp; 0x07;                                                             <span class="comment">/* set frames */</span></div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;    buf[4] = end_page_addr &amp; 0x07;                                                      <span class="comment">/* set end page address */</span></div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;    buf[5] = 0x00;                                                                      <span class="comment">/* set null */</span></div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;    buf[6] = 0xFF;                                                                      <span class="comment">/* set frame end */</span></div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;  </div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 7, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;}</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160; </div>
<div class="line"><a name="l01475"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gabd1f5fbb82b9b3c42487448bd4e8aee9"> 1475</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gabd1f5fbb82b9b3c42487448bd4e8aee9">ssd1306_set_left_horizontal_scroll</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_page_addr, uint8_t end_page_addr, </div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;                                           <a class="code" href="group__ssd1306__base__driver.html#gaae8e1abaa15f2d308096870ae7841511">ssd1306_scroll_frame_t</a> frames)</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;{</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;    uint8_t buf[7];</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;    </div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;    {</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;    }</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;    {</div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;    }</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;    <span class="keywordflow">if</span> (start_page_addr &gt; 0x07)                                                         <span class="comment">/* check start_page_addr */</span></div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;    {</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start_page_addr is invalid.\n&quot;</span>);                  <span class="comment">/* start_page_addr is invalid */</span></div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;        </div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;    }</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;    <span class="keywordflow">if</span> (end_page_addr &gt; 0x07)                                                           <span class="comment">/* check end_page_addr */</span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;    {</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end_page_addr is invalid.\n&quot;</span>);                    <span class="comment">/* end_page_addr is invalid */</span></div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;        </div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;    }</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;    </div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a7ebe98453c43e27a4fa478cd8665ebaa">SSD1306_CMD_LEFT_HORIZONTAL_SCROLL</a>;                                        <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;    buf[1] = 0x00;                                                                      <span class="comment">/* set null */</span></div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;    buf[2] = start_page_addr &amp; 0x07;                                                    <span class="comment">/* set end page addr */</span></div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;    buf[3] = frames &amp; 0x07;                                                             <span class="comment">/* set frames */</span></div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;    buf[4] = end_page_addr &amp; 0x07;                                                      <span class="comment">/* set end page addr */</span></div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;    buf[5] = 0x00;                                                                      <span class="comment">/* set null */</span></div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;    buf[6] = 0xFF;                                                                      <span class="comment">/* set frame end */</span></div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;  </div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 7, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;}</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160; </div>
<div class="line"><a name="l01529"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaea216cd13fddc019b6f76a78c561cc07"> 1529</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaea216cd13fddc019b6f76a78c561cc07">ssd1306_set_vertical_right_horizontal_scroll</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_page_addr, uint8_t end_page_addr, </div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;                                                     uint8_t rows, <a class="code" href="group__ssd1306__base__driver.html#gaae8e1abaa15f2d308096870ae7841511">ssd1306_scroll_frame_t</a> frames)</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;{</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;    uint8_t buf[6];</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160; </div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;    {</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;    }</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;    {</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;    }</div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;    <span class="keywordflow">if</span> (start_page_addr &gt; 0x07)                                                         <span class="comment">/* check start_page_addr */</span></div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;    {</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start_page_addr is invalid.\n&quot;</span>);                  <span class="comment">/* start_page_addr is invalid */</span></div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;        </div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;    }</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;    <span class="keywordflow">if</span> (end_page_addr &gt; 0x07)                                                           <span class="comment">/* check end page addr */</span></div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;    {</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end_page_addr is invalid.\n&quot;</span>);                    <span class="comment">/* end_page_addr is invalid */</span></div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160;        </div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;    }</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;    <span class="keywordflow">if</span> (rows &gt; 0x3F)                                                                    <span class="comment">/* check rows */</span></div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;    {</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: rows is invalid.\n&quot;</span>);                             <span class="comment">/* rows is invalid */</span></div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;       </div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;        <span class="keywordflow">return</span> 6;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;    }</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;    </div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#adf32c4c74645fc59af8e6f9029a60513">SSD1306_CMD_VERTICAL_RIGHT_HORIZONTAL_SCROLL</a>;                              <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;    buf[1] = 0x00;                                                                      <span class="comment">/* set null */</span></div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;    buf[2] = start_page_addr &amp; 0x07;                                                    <span class="comment">/* set start page addr */</span></div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;    buf[3] = frames &amp; 0x07;                                                             <span class="comment">/* set frames */</span></div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;    buf[4] = end_page_addr &amp; 0x07;                                                      <span class="comment">/* set end page addr */</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;    buf[5] = rows &amp; 0x3F;                                                               <span class="comment">/* set rows */</span></div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;  </div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 6, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;}</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160; </div>
<div class="line"><a name="l01588"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gad0ae391a2f3d129fce7675d50b00b0f3"> 1588</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gad0ae391a2f3d129fce7675d50b00b0f3">ssd1306_set_vertical_left_horizontal_scroll</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_page_addr, uint8_t end_page_addr, </div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;                                                    uint8_t rows, <a class="code" href="group__ssd1306__base__driver.html#gaae8e1abaa15f2d308096870ae7841511">ssd1306_scroll_frame_t</a> frames)</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;{</div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;    uint8_t buf[6];</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160; </div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;    {</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160;    }</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;    {</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;    }</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;    <span class="keywordflow">if</span> (start_page_addr &gt; 0x07)                                                         <span class="comment">/* check start_page_addr */</span></div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;    {</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start_page_addr is invalid.\n&quot;</span>);                  <span class="comment">/* start_page_addr is invalid */</span></div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;        </div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;    }</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;    <span class="keywordflow">if</span> (end_page_addr &gt; 0x07)                                                           <span class="comment">/* check end_page_addr */</span></div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;    {</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end_page_addr is invalid.\n&quot;</span>);                    <span class="comment">/* end_page_addr is invalid */</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;        </div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;    }</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;    <span class="keywordflow">if</span> (rows &gt; 0x3F)                                                                    <span class="comment">/* check rows */</span></div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;    {</div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: rows is invalid.\n&quot;</span>);                             <span class="comment">/* rows is invalid */</span></div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;       </div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;        <span class="keywordflow">return</span> 6;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;    }</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;    </div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#aaeb987bcbb54de5fe927f07ae01d3a68">SSD1306_CMD_VERTICAL_LEFT_HORIZONTAL_SCROLL</a>;                               <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;    buf[1] = 0x00;                                                                      <span class="comment">/* set null */</span></div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;    buf[2] = start_page_addr &amp; 0x07;                                                    <span class="comment">/* set start page addr */</span></div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;    buf[3] = frames &amp; 0x07;                                                             <span class="comment">/* set frames */</span></div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;    buf[4] = end_page_addr &amp; 0x07;                                                      <span class="comment">/* set end page addr */</span></div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;    buf[5] = rows &amp; 0x3F;                                                               <span class="comment">/* set rows */</span></div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;  </div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 6, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;}</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160; </div>
<div class="line"><a name="l01640"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga99842fb1e272b67cfc055d373f89749b"> 1640</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga99842fb1e272b67cfc055d373f89749b">ssd1306_deactivate_scroll</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle)</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;{</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                    <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;    {</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;        <span class="keywordflow">return</span> 2;                                                                          <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;    }</div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                               <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;    {</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;        <span class="keywordflow">return</span> 3;                                                                          <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;    }</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;  </div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a074e764098ee802c358a74b75df95287">SSD1306_CMD_DEACTIVATE_SCROLL</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;}</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160; </div>
<div class="line"><a name="l01664"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga931e1af4eef39b43a262040931c062d9"> 1664</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga931e1af4eef39b43a262040931c062d9">ssd1306_activate_scroll</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle)</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;{</div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                  <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;    {</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;        <span class="keywordflow">return</span> 2;                                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;    }</div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                             <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;    {</div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;        <span class="keywordflow">return</span> 3;                                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;    }</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;    </div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#ada976441269545a655be45f699914434">SSD1306_CMD_ACTIVATE_SCROLL</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;}</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160; </div>
<div class="line"><a name="l01690"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga9840154b11ab91249174b79fde6899bd"> 1690</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga9840154b11ab91249174b79fde6899bd">ssd1306_set_display_start_line</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t l)</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;{</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;    {</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;    }</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160;    {</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;    }</div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;    <span class="keywordflow">if</span> (l &gt; 0x3F)                                                                                       <span class="comment">/* check line */</span></div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;    {</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: line is invalid.\n&quot;</span>);                                             <span class="comment">/* line is invalid */</span></div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;        </div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;        <span class="keywordflow">return</span> 4;                                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;    }</div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;  </div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a27adee0f33c5e157fb3618fc913e5914">SSD1306_CMD_DISPLAY_START_LINE</a>|(l&amp;0x3F), <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);          <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;}</div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160; </div>
<div class="line"><a name="l01721"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga04af4a1d48cc69445e34ca598c34b239"> 1721</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga04af4a1d48cc69445e34ca598c34b239">ssd1306_set_contrast</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t contrast)</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>&#160;{</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>&#160;    </div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>&#160;    {</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;    }</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160;    {</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;    }</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;    </div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#ac98ec036aa0aa3cc9026150d0f502301">SSD1306_CMD_CONTRAST_CONTROL</a>;                                              <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160;    buf[1] = contrast;                                                                  <span class="comment">/* set contrast */</span></div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160;  </div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160;}</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160; </div>
<div class="line"><a name="l01751"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga6dd49e731a0256e5556c11992bf065ff"> 1751</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga6dd49e731a0256e5556c11992bf065ff">ssd1306_set_charge_pump</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga3d42cc7bff43fe2339fff1f7150776d9">ssd1306_charge_pump_t</a> enable)</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>&#160;{</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>&#160; </div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>&#160;    {</div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>&#160;    }</div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>&#160;    {</div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>&#160;    }</div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>&#160;    </div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#ad899aabcbcadba31b2a339f742b21493">SSD1306_CMD_CHARGE_PUMP_SETTING</a>;                                           <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>&#160;    buf[1] = (uint8_t)(0x10 | (enable &lt;&lt; 2));                                           <span class="comment">/* set charge pump */</span></div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>&#160; </div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>&#160;}</div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>&#160; </div>
<div class="line"><a name="l01781"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaa897931b4f2650d9fcf4edea9dadea48"> 1781</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaa897931b4f2650d9fcf4edea9dadea48">ssd1306_set_segment_remap</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga5da594f6b24ff418db03afd08b77d0aa">ssd1306_segment_column_remap_t</a> remap)</div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>&#160;{</div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                                <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>&#160;    {</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>&#160;    }</div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                           <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>&#160;    {</div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>&#160;    }</div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>&#160;    </div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>&#160;    <span class="keywordflow">if</span> (remap != 0)                                                                                    <span class="comment">/* check remap */</span></div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>&#160;    {</div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#aee5b34051613c523a64364dec0eef423">SSD1306_CMD_COLUMN_127_MAPPED_TO_SEG0</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write remap */</span></div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>&#160;    }</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>&#160;    {</div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#ade986acc63982722bce05cd09d75999f">SSD1306_CMD_COLUMN_0_MAPPED_TO_SEG0</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);         <span class="comment">/* write remap */</span></div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>&#160;    }</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>&#160;}</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>&#160; </div>
<div class="line"><a name="l01817"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga5e26eba85db0554f1a5457e7014e1998"> 1817</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga5e26eba85db0554f1a5457e7014e1998">ssd1306_set_vertical_scroll_area</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t start_row, uint8_t end_row)</div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>&#160;{</div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>&#160;    uint8_t buf[3];</div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>&#160;    </div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>&#160;    {</div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>&#160;    }</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>&#160;    {</div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>&#160;    }</div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>&#160;    <span class="keywordflow">if</span> (start_row &gt; 0x3F)                                                               <span class="comment">/* check start row */</span></div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>&#160;    {</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: start_row is invalid.\n&quot;</span>);                        <span class="comment">/* start_row is invalid */</span></div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>&#160;       </div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>&#160;    }</div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>&#160;    <span class="keywordflow">if</span> (end_row &gt; 0x7F)                                                                 <span class="comment">/* check end_row */</span></div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>&#160;    {</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end_row is invalid.\n&quot;</span>);                          <span class="comment">/* end_row is invalid */</span></div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>&#160;       </div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>&#160;    }</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>&#160;    <span class="keywordflow">if</span> (end_row &gt; start_row)                                                            <span class="comment">/* check start_row and end_row */</span></div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>&#160;    {</div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: end_row &gt; start_row.\n&quot;</span>);                         <span class="comment">/* end_row &gt; start_row */</span></div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>&#160;       </div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>&#160;        <span class="keywordflow">return</span> 6;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>&#160;    }</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>&#160;    </div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#af3e75d3fb947925e5f17544237ccf0fb">SSD1306_CMD_VERTICAL_SCROLL_AREA</a>;                                          <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>&#160;    buf[1] = start_row;                                                                 <span class="comment">/* set start row */</span></div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>&#160;    buf[2] = end_row;                                                                   <span class="comment">/* set end row */</span></div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>&#160;  </div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 3, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>&#160;}</div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>&#160; </div>
<div class="line"><a name="l01866"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gae0a03db84a228eb20b9d3ba0c6624f57"> 1866</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gae0a03db84a228eb20b9d3ba0c6624f57">ssd1306_set_entire_display</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga4f2e9ce796f09700bb37da338ad5a504">ssd1306_entire_display_t</a> enable)</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>&#160;{</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>&#160;    {</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>&#160;        <span class="keywordflow">return</span> 2;                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>&#160;    }</div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>&#160;    {</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>&#160;        <span class="keywordflow">return</span> 3;                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>&#160;    }</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>&#160;    </div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>&#160;    <span class="keywordflow">if</span> (enable != 0)                                                                            <span class="comment">/* if enable */</span></div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>&#160;    {</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#aa087c9c8923c76dedb4600f60092f6d2">SSD1306_CMD_ENTIRE_DISPLAY_ON</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);        <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>&#160;    }</div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>&#160;    {</div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a83ff60cb54bdba6fa86f928da3827806">SSD1306_CMD_ENTIRE_DISPLAY_OFF</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>&#160;    }</div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>&#160;}</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>&#160; </div>
<div class="line"><a name="l01898"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga8231cf2d7d5e244df0a64c65d5db9aca"> 1898</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga8231cf2d7d5e244df0a64c65d5db9aca">ssd1306_set_display_mode</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#gaa7749f3ab39bbbdc7a7e899d355a72de">ssd1306_display_mode_t</a> mode)</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>&#160;{</div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>&#160;    {</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>&#160;        <span class="keywordflow">return</span> 2;                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>&#160;    }</div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>&#160;    {</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>&#160;        <span class="keywordflow">return</span> 3;                                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>&#160;    }</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>&#160;    </div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>&#160;    <span class="keywordflow">if</span> (mode != 0)                                                                              <span class="comment">/* check mode */</span></div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>&#160;    {</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a174c62fc65534acdf69fd2fd6abc2957">SSD1306_CMD_INVERSE_DISPLAY</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);          <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>&#160;    }</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>&#160;    {</div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a8dbbaf279ddc7c21a7561b72a3b665d6">SSD1306_CMD_NORMAL_DISPLAY</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);           <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>&#160;    }</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>&#160;}</div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>&#160; </div>
<div class="line"><a name="l01932"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga94fbad6bc91e085ca4ff5cb5443b9411"> 1932</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga94fbad6bc91e085ca4ff5cb5443b9411">ssd1306_set_multiplex_ratio</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t multiplex)</div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>&#160;{</div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>&#160; </div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>&#160;    {</div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>&#160;    }</div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>&#160;    {</div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>&#160;    }</div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>&#160;    <span class="keywordflow">if</span> (multiplex &lt; 0x0F)                                                               <span class="comment">/* check multiplex */</span></div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>&#160;    {</div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: multiplex is too small.\n&quot;</span>);                      <span class="comment">/* multiplex is too small */</span></div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>&#160;       </div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>&#160;    }</div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>&#160;    <span class="keywordflow">if</span> (multiplex &gt; 0x3F)                                                               <span class="comment">/* check multiplex */</span></div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>&#160;    {</div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: multiplex is too large.\n&quot;</span>);                      <span class="comment">/* multiplex is too large */</span></div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>&#160;       </div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>&#160;    }</div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>&#160;    </div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#aa71c14916728c1a3d01bfafaf813f8d3">SSD1306_CMD_MULTIPLEX_RATIO</a> ;                                              <span class="comment">/* set command */</span></div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>&#160;    buf[1] = multiplex;                                                                 <span class="comment">/* set multiplex */</span></div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span>&#160;  </div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>&#160;}</div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>&#160; </div>
<div class="line"><a name="l01974"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga8a9ee843e339805b16c571c8ac94f9ec"> 1974</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga8a9ee843e339805b16c571c8ac94f9ec">ssd1306_set_display</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga361f177a4e66491f3f34bb5a87cf5b78">ssd1306_display_t</a> on_off)</div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>&#160;{</div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                  <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>&#160;    {</div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>&#160;        <span class="keywordflow">return</span> 2;                                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>&#160;    }</div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                             <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>&#160;    {</div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>&#160;        <span class="keywordflow">return</span> 3;                                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>&#160;    }</div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>&#160;    </div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>&#160;    <span class="keywordflow">if</span> (on_off != 0)                                                                     <span class="comment">/* check on off */</span></div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>&#160;    {</div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a6a1fade1cf93d278bc47f2845f284ee5">SSD1306_CMD_DISPLAY_ON</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);        <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>&#160;    }</div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>&#160;    {</div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a4fb98fd01b336d2cd2be40da96a329d0">SSD1306_CMD_DISPLAY_OFF</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>&#160;    }</div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>&#160;}</div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>&#160; </div>
<div class="line"><a name="l02007"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga711a2e7fed8919a16348f0ace4870fb6"> 2007</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga711a2e7fed8919a16348f0ace4870fb6">ssd1306_set_page_address</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t addr)</div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>&#160;{</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                        <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>&#160;    {</div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>&#160;        <span class="keywordflow">return</span> 2;                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>&#160;    }</div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                   <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>&#160;    {</div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>&#160;        <span class="keywordflow">return</span> 3;                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>&#160;    }</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>&#160;    <span class="keywordflow">if</span> (addr &gt; 0x07)                                                                           <span class="comment">/* check addr */</span></div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>&#160;    {</div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: addr is invalid.\n&quot;</span>);                                    <span class="comment">/* addr is invalid */</span></div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>&#160;        </div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>&#160;        <span class="keywordflow">return</span> 4;                                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>&#160;    }</div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>&#160;    </div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a3324fd3d5968ecabc832db9579aca045">SSD1306_CMD_PAGE_ADDR</a>|(addr&amp;0x07), <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>&#160;}</div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>&#160; </div>
<div class="line"><a name="l02038"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga1c48fc249314c05eb74774f712afa050"> 2038</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga1c48fc249314c05eb74774f712afa050">ssd1306_set_scan_direction</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga1ed85253a9cd855d2880819cc79ded33">ssd1306_scan_direction_t</a> dir)</div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>&#160;{</div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                                  <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>&#160;    {</div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>&#160;        <span class="keywordflow">return</span> 2;                                                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>&#160;    }</div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                                             <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>&#160;    {</div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>&#160;        <span class="keywordflow">return</span> 3;                                                                                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>&#160;    }</div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>&#160;    </div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>&#160;    <span class="keywordflow">if</span> (dir != 0)                                                                                        <span class="comment">/* choose dir */</span></div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>&#160;    {</div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a4d26a283ad2bcf460ae73031a8c4767f">SSD1306_CMD_SCAN_DIRECTION_COMN_1_START</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>&#160;    }</div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>&#160;    {</div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>&#160;        <span class="keywordflow">return</span> a_ssd1306_write_byte(handle, <a class="code" href="driver__ssd1306_8c.html#a27f530e11738897bd4512770d2758bf3">SSD1306_CMD_SCAN_DIRECTION_COM0_START</a>, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);         <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>&#160;    }</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>&#160;}</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>&#160; </div>
<div class="line"><a name="l02071"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga86a554181ce9cd671b255443f3076666"> 2071</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga86a554181ce9cd671b255443f3076666">ssd1306_set_display_offset</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t offset)</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>&#160;{</div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>&#160; </div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>&#160;    {</div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>&#160;    }</div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>&#160;    {</div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>&#160;    }</div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>&#160;    <span class="keywordflow">if</span> (offset &gt; 0x3F)                                                                  <span class="comment">/* check offset */</span></div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>&#160;    {</div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: offset is invalid.\n&quot;</span>);                           <span class="comment">/* offset is invalid */</span></div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>&#160;       </div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>&#160;    }</div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>&#160;    </div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a2048b4a23818ed4f9f2efb59b1745efb">SSD1306_CMD_DISPLAY_OFFSET</a> ;                                               <span class="comment">/* set command */</span></div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>&#160;    buf[1] = offset;                                                                    <span class="comment">/* set offset */</span></div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>&#160;  </div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>&#160;}</div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>&#160; </div>
<div class="line"><a name="l02110"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaa588c8dc16bd6bfc84fa242910cf7252"> 2110</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaa588c8dc16bd6bfc84fa242910cf7252">ssd1306_set_display_clock</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t oscillator_frequency, uint8_t clock_divide)</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>&#160;{</div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>&#160;    </div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>&#160;    {</div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>&#160;    }</div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>&#160;    {</div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>&#160;    }</div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>&#160;    <span class="keywordflow">if</span> (oscillator_frequency&gt; 0x0F)                                                     <span class="comment">/* check oscillator_frequency */</span></div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>&#160;    {</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: oscillator frequency is invalid.\n&quot;</span>);             <span class="comment">/* oscillator frequency is invalid */</span></div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>&#160;        </div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>&#160;    }</div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>&#160;    <span class="keywordflow">if</span> (clock_divide&gt; 0x0F)                                                             <span class="comment">/* check clock_divide */</span></div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>&#160;    {</div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: clock divide is invalid.\n&quot;</span>);                     <span class="comment">/* clock divide is invalid */</span></div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>&#160;        </div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>&#160;    }</div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>&#160;    </div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a32fbe598dff46ab1bd2d9cb444027edb">SSD1306_CMD_DISPLAY_CLOCK_DIVIDE</a> ;                                         <span class="comment">/* set command */</span></div>
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>&#160;    buf[1] = (oscillator_frequency&lt;&lt;4) | clock_divide;                                  <span class="comment">/* set oscillator frequency and clock divide */</span></div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>&#160;  </div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>&#160;}</div>
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>&#160; </div>
<div class="line"><a name="l02152"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga1b1cda97c2bbcf0de6e84d6a499be103"> 2152</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga1b1cda97c2bbcf0de6e84d6a499be103">ssd1306_set_zoom_in</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga7a442340723399a6a1643c2010c2aa96">ssd1306_zoom_in_t</a> zoom)</div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>&#160;{</div>
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>&#160;    </div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>&#160;    {</div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span>&#160;    }</div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>&#160;    {</div>
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>&#160;    }</div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>&#160;    </div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#ae1ca51453068b09ad720de553a40cfa1">SSD1306_CMD_SET_ZOOM_IN</a> ;                                                  <span class="comment">/* set command */</span></div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>&#160;    buf[1] = zoom;                                                                      <span class="comment">/* set zoom */</span></div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>&#160;  </div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>&#160;}</div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>&#160; </div>
<div class="line"><a name="l02185"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga1fd4ade307b8ef8cac61d96ebe821456"> 2185</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga1fd4ade307b8ef8cac61d96ebe821456">ssd1306_set_precharge_period</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t phase1_period, uint8_t phase2_period)</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>&#160;{</div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>&#160; </div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span>&#160;    {</div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span>&#160;    }</div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>&#160;    {</div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>&#160;    }</div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span>&#160;    <span class="keywordflow">if</span> (phase1_period&gt; 0x0F)                                                            <span class="comment">/* check phase1 period */</span></div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>&#160;    {</div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: phase1 period is invalid.\n&quot;</span>);                    <span class="comment">/* phase1 period is invalid */</span></div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>&#160;        </div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>&#160;        <span class="keywordflow">return</span> 4;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>&#160;    }</div>
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>&#160;    <span class="keywordflow">if</span> (phase2_period&gt; 0x0F)                                                            <span class="comment">/* check phase2 period */</span></div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>&#160;    {</div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>&#160;        handle-&gt;<a class="code" href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ssd1306: phase2 period is invalid.\n&quot;</span>);                    <span class="comment">/* phase2 period is invalid */</span></div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>&#160;       </div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>&#160;        <span class="keywordflow">return</span> 5;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>&#160;    }</div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>&#160;    </div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#af446c14ed9df887a0941045f76608328">SSD1306_CMD_PRE_CHARGE_PERIOD</a>;                                             <span class="comment">/* set command */</span></div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>&#160;    buf[1] = (phase2_period &lt;&lt; 4) | phase1_period;                                      <span class="comment">/* set period */</span></div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span>&#160;  </div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>&#160;}</div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>&#160; </div>
<div class="line"><a name="l02228"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gaaf3f80e42b6b20ef6794aae8d404b79c"> 2228</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gaaf3f80e42b6b20ef6794aae8d404b79c">ssd1306_set_com_pins_hardware_conf</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#ga5288c2a5632fdc275acd6808bd506f8c">ssd1306_pin_conf_t</a> conf, <a class="code" href="group__ssd1306__base__driver.html#ga03c808b475f1772194cbd0d11d539326">ssd1306_left_right_remap_t</a> remap)</div>
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>&#160;{</div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>&#160;    </div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>&#160;    {</div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>&#160;    }</div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>&#160;    {</div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>&#160;    }</div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>&#160;    </div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a9a6f73ae653ccc996d6be732089a6f7c">SSD1306_CMD_COM_PINS_CONF</a>;                                                 <span class="comment">/* set command */</span></div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>&#160;    buf[1] = (uint8_t)((conf&lt;&lt;4) | (remap&lt;&lt;5) |0x02);                                   <span class="comment">/* set com pins */</span></div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span>&#160;  </div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>&#160;}</div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>&#160; </div>
<div class="line"><a name="l02258"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#gac47023d3af6a0c7ebe9b879b8968e727"> 2258</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#gac47023d3af6a0c7ebe9b879b8968e727">ssd1306_set_deselect_level</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, <a class="code" href="group__ssd1306__base__driver.html#gae16b5d9bf74880764864f71793583ba1">ssd1306_deselect_level_t</a> level)</div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>&#160;{</div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>&#160;    uint8_t buf[2];</div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>&#160;    </div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>&#160;    {</div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>&#160;        <span class="keywordflow">return</span> 2;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>&#160;    }</div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span>&#160;    {</div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>&#160;        <span class="keywordflow">return</span> 3;                                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>&#160;    }</div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>&#160;    </div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>&#160;    buf[0] = <a class="code" href="driver__ssd1306_8c.html#a2b08b935af91cf4f6e82b7f4811ea6e6">SSD1306_CMD_COMH_DESLECT_LEVEL</a>;                                            <span class="comment">/* set command */</span></div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>&#160;    buf[1] = (uint8_t)(level &lt;&lt; 4);                                                     <span class="comment">/* set level */</span></div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>&#160;  </div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, 2, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>&#160;}</div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>&#160; </div>
<div class="line"><a name="l02289"></a><span class="lineno"><a class="line" href="group__ssd1306__extend__driver.html#gae7e83bf4fa2b4edefda280b0ebc75042"> 2289</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__extend__driver.html#gae7e83bf4fa2b4edefda280b0ebc75042">ssd1306_write_cmd</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t *buf, uint8_t len)</div>
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>&#160;{</div>
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                   <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>&#160;    {</div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>&#160;        <span class="keywordflow">return</span> 2;                                                                         <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>&#160;    }</div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                              <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>&#160;    {</div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span>&#160;        <span class="keywordflow">return</span> 3;                                                                         <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>&#160;    }</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>&#160;    </div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, len, <a class="code" href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a>);       <span class="comment">/* write command */</span></div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span>&#160;}</div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>&#160; </div>
<div class="line"><a name="l02315"></a><span class="lineno"><a class="line" href="group__ssd1306__extend__driver.html#ga9cca12cd680a5956ba27f6b05c0c0f94"> 2315</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__extend__driver.html#ga9cca12cd680a5956ba27f6b05c0c0f94">ssd1306_write_data</a>(<a class="code" href="structssd1306__handle__s.html">ssd1306_handle_t</a> *handle, uint8_t *buf, uint8_t len)</div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>&#160;{</div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                                    <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>&#160;    {</div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>&#160;        <span class="keywordflow">return</span> 2;                                                                          <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>&#160;    }</div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                               <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>&#160;    {</div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>&#160;        <span class="keywordflow">return</span> 3;                                                                          <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>&#160;    }</div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>&#160;  </div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>&#160;    <span class="keywordflow">return</span> a_ssd1306_multiple_write_byte(handle, (uint8_t *)buf, len, <a class="code" href="driver__ssd1306_8c.html#a002e3b75ec7ef9b0191f4dfce6904d2a">SSD1306_DATA</a>);       <span class="comment">/* write data */</span></div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>&#160;}</div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>&#160; </div>
<div class="line"><a name="l02337"></a><span class="lineno"><a class="line" href="group__ssd1306__base__driver.html#ga593c19e30eab2d684610fec0dbb8a8b6"> 2337</a></span>&#160;uint8_t <a class="code" href="group__ssd1306__base__driver.html#ga593c19e30eab2d684610fec0dbb8a8b6">ssd1306_info</a>(<a class="code" href="structssd1306__info__s.html">ssd1306_info_t</a> *info)</div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span>&#160;{</div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>&#160;    <span class="keywordflow">if</span> (info == NULL)                                               <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>&#160;    {</div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span>&#160;        <span class="keywordflow">return</span> 2;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>&#160;    }</div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>&#160;    </div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>&#160;    memset(info, 0, <span class="keyword">sizeof</span>(<a class="code" href="structssd1306__info__s.html">ssd1306_info_t</a>));                        <span class="comment">/* initialize ssd1306 info structure */</span></div>
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>&#160;    strncpy(info-&gt;<a class="code" href="structssd1306__info__s.html#af890958c72bd715cc6454a10dc846ae6">chip_name</a>, <a class="code" href="driver__ssd1306_8c.html#adc9da0a24824ca1239b593f6459b3954">CHIP_NAME</a>, 32);                        <span class="comment">/* copy chip name */</span></div>
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>&#160;    strncpy(info-&gt;<a class="code" href="structssd1306__info__s.html#ad25285dbf810c90f8eaf3fcef6f2b2ea">manufacturer_name</a>, <a class="code" href="driver__ssd1306_8c.html#aaa2b8f5b105c3019df0cb346f472e803">MANUFACTURER_NAME</a>, 32);        <span class="comment">/* copy manufacturer name */</span></div>
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span>&#160;    strncpy(info-&gt;<a class="code" href="structssd1306__info__s.html#aebaa6c28dd4f2c3dc27566fcb910fd28">interface</a>, <span class="stringliteral">&quot;IIC SPI&quot;</span>, 8);                         <span class="comment">/* copy interface name */</span></div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>&#160;    info-&gt;<a class="code" href="structssd1306__info__s.html#ad8bde6ddadaf43d951e62f3befb9d35a">supply_voltage_min_v</a> = <a class="code" href="driver__ssd1306_8c.html#aac8d8cbd899667d609787ef4cf37054d">SUPPLY_VOLTAGE_MIN</a>;                <span class="comment">/* set minimal supply voltage */</span></div>
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>&#160;    info-&gt;<a class="code" href="structssd1306__info__s.html#a3d2b12bcac7a85ea8646bff9debe8660">supply_voltage_max_v</a> = <a class="code" href="driver__ssd1306_8c.html#a68eba8b601afe11f1b871d944976c035">SUPPLY_VOLTAGE_MAX</a>;                <span class="comment">/* set maximum supply voltage */</span></div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>&#160;    info-&gt;<a class="code" href="structssd1306__info__s.html#a9db82802561bf22d799b03a345f1d1dc">max_current_ma</a> = <a class="code" href="driver__ssd1306_8c.html#a2989837a37d6d63b59c6dd541b785435">MAX_CURRENT</a>;                             <span class="comment">/* set maximum current */</span></div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>&#160;    info-&gt;<a class="code" href="structssd1306__info__s.html#a3366a5dce9b829e03c3d321c2b4df3f6">temperature_max</a> = <a class="code" href="driver__ssd1306_8c.html#a90c0b20d54005712fcc8cb01281360e9">TEMPERATURE_MAX</a>;                        <span class="comment">/* set minimal temperature */</span></div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>&#160;    info-&gt;<a class="code" href="structssd1306__info__s.html#a8f9dbe66ac0b66ebae0a36fcb4ba368e">temperature_min</a> = <a class="code" href="driver__ssd1306_8c.html#aab353db5bf4eb787f86a2080f609a551">TEMPERATURE_MIN</a>;                        <span class="comment">/* set maximum temperature */</span></div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>&#160;    info-&gt;<a class="code" href="structssd1306__info__s.html#a41b0bd442708b70d252c50b92c75265a">driver_version</a> = <a class="code" href="driver__ssd1306_8c.html#ae578001fe043b4cca7a0edd801cfe9c4">DRIVER_VERSION</a>;                          <span class="comment">/* set driver version */</span></div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>&#160;    </div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>&#160;    <span class="keywordflow">return</span> 0;                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>&#160;}</div>
<div class="ttc" id="adriver__ssd1306_8c_html_a002e3b75ec7ef9b0191f4dfce6904d2a"><div class="ttname"><a href="driver__ssd1306_8c.html#a002e3b75ec7ef9b0191f4dfce6904d2a">SSD1306_DATA</a></div><div class="ttdeci">#define SSD1306_DATA</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00057">driver_ssd1306.c:57</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a074e764098ee802c358a74b75df95287"><div class="ttname"><a href="driver__ssd1306_8c.html#a074e764098ee802c358a74b75df95287">SSD1306_CMD_DEACTIVATE_SCROLL</a></div><div class="ttdeci">#define SSD1306_CMD_DEACTIVATE_SCROLL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00072">driver_ssd1306.c:72</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a0d7adbb300cdfc3b824c667fbc4a5cc8"><div class="ttname"><a href="driver__ssd1306_8c.html#a0d7adbb300cdfc3b824c667fbc4a5cc8">SSD1306_CMD_SET_PAGE_ADDRESS</a></div><div class="ttdeci">#define SSD1306_CMD_SET_PAGE_ADDRESS</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00066">driver_ssd1306.c:66</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a174c62fc65534acdf69fd2fd6abc2957"><div class="ttname"><a href="driver__ssd1306_8c.html#a174c62fc65534acdf69fd2fd6abc2957">SSD1306_CMD_INVERSE_DISPLAY</a></div><div class="ttdeci">#define SSD1306_CMD_INVERSE_DISPLAY</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00083">driver_ssd1306.c:83</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a2048b4a23818ed4f9f2efb59b1745efb"><div class="ttname"><a href="driver__ssd1306_8c.html#a2048b4a23818ed4f9f2efb59b1745efb">SSD1306_CMD_DISPLAY_OFFSET</a></div><div class="ttdeci">#define SSD1306_CMD_DISPLAY_OFFSET</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00090">driver_ssd1306.c:90</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a27adee0f33c5e157fb3618fc913e5914"><div class="ttname"><a href="driver__ssd1306_8c.html#a27adee0f33c5e157fb3618fc913e5914">SSD1306_CMD_DISPLAY_START_LINE</a></div><div class="ttdeci">#define SSD1306_CMD_DISPLAY_START_LINE</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00074">driver_ssd1306.c:74</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a27f530e11738897bd4512770d2758bf3"><div class="ttname"><a href="driver__ssd1306_8c.html#a27f530e11738897bd4512770d2758bf3">SSD1306_CMD_SCAN_DIRECTION_COM0_START</a></div><div class="ttdeci">#define SSD1306_CMD_SCAN_DIRECTION_COM0_START</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00088">driver_ssd1306.c:88</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a2989837a37d6d63b59c6dd541b785435"><div class="ttname"><a href="driver__ssd1306_8c.html#a2989837a37d6d63b59c6dd541b785435">MAX_CURRENT</a></div><div class="ttdeci">#define MAX_CURRENT</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00048">driver_ssd1306.c:48</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a2b08b935af91cf4f6e82b7f4811ea6e6"><div class="ttname"><a href="driver__ssd1306_8c.html#a2b08b935af91cf4f6e82b7f4811ea6e6">SSD1306_CMD_COMH_DESLECT_LEVEL</a></div><div class="ttdeci">#define SSD1306_CMD_COMH_DESLECT_LEVEL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00095">driver_ssd1306.c:95</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a32fbe598dff46ab1bd2d9cb444027edb"><div class="ttname"><a href="driver__ssd1306_8c.html#a32fbe598dff46ab1bd2d9cb444027edb">SSD1306_CMD_DISPLAY_CLOCK_DIVIDE</a></div><div class="ttdeci">#define SSD1306_CMD_DISPLAY_CLOCK_DIVIDE</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00091">driver_ssd1306.c:91</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a3324fd3d5968ecabc832db9579aca045"><div class="ttname"><a href="driver__ssd1306_8c.html#a3324fd3d5968ecabc832db9579aca045">SSD1306_CMD_PAGE_ADDR</a></div><div class="ttdeci">#define SSD1306_CMD_PAGE_ADDR</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00087">driver_ssd1306.c:87</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a4d26a283ad2bcf460ae73031a8c4767f"><div class="ttname"><a href="driver__ssd1306_8c.html#a4d26a283ad2bcf460ae73031a8c4767f">SSD1306_CMD_SCAN_DIRECTION_COMN_1_START</a></div><div class="ttdeci">#define SSD1306_CMD_SCAN_DIRECTION_COMN_1_START</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00089">driver_ssd1306.c:89</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a4fb98fd01b336d2cd2be40da96a329d0"><div class="ttname"><a href="driver__ssd1306_8c.html#a4fb98fd01b336d2cd2be40da96a329d0">SSD1306_CMD_DISPLAY_OFF</a></div><div class="ttdeci">#define SSD1306_CMD_DISPLAY_OFF</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00085">driver_ssd1306.c:85</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a68eba8b601afe11f1b871d944976c035"><div class="ttname"><a href="driver__ssd1306_8c.html#a68eba8b601afe11f1b871d944976c035">SUPPLY_VOLTAGE_MAX</a></div><div class="ttdeci">#define SUPPLY_VOLTAGE_MAX</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00047">driver_ssd1306.c:47</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a6a1fade1cf93d278bc47f2845f284ee5"><div class="ttname"><a href="driver__ssd1306_8c.html#a6a1fade1cf93d278bc47f2845f284ee5">SSD1306_CMD_DISPLAY_ON</a></div><div class="ttdeci">#define SSD1306_CMD_DISPLAY_ON</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00086">driver_ssd1306.c:86</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a6e6b3420ca6a3c6b0754ecef35e6d607"><div class="ttname"><a href="driver__ssd1306_8c.html#a6e6b3420ca6a3c6b0754ecef35e6d607">SSD1306_CMD_RIGHT_HORIZONTAL_SCROLL</a></div><div class="ttdeci">#define SSD1306_CMD_RIGHT_HORIZONTAL_SCROLL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00068">driver_ssd1306.c:68</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a6f15fa264c427507906ab5822daab2a2"><div class="ttname"><a href="driver__ssd1306_8c.html#a6f15fa264c427507906ab5822daab2a2">SSD1306_CMD_LOWER_COLUMN_START_ADDRESS</a></div><div class="ttdeci">#define SSD1306_CMD_LOWER_COLUMN_START_ADDRESS</div><div class="ttdoc">chip command definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00062">driver_ssd1306.c:62</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a72725317f016ab02ff1870b8a7ed04a0"><div class="ttname"><a href="driver__ssd1306_8c.html#a72725317f016ab02ff1870b8a7ed04a0">SSD1306_CMD_MEMORY_ADDRESSING_MODE</a></div><div class="ttdeci">#define SSD1306_CMD_MEMORY_ADDRESSING_MODE</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00064">driver_ssd1306.c:64</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a7ea59dc0f1cf1f7f13c1f3540cf67d3e"><div class="ttname"><a href="driver__ssd1306_8c.html#a7ea59dc0f1cf1f7f13c1f3540cf67d3e">SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS</a></div><div class="ttdeci">#define SSD1306_CMD_HIGHER_COLUMN_START_ADDRESS</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00063">driver_ssd1306.c:63</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a7ebe98453c43e27a4fa478cd8665ebaa"><div class="ttname"><a href="driver__ssd1306_8c.html#a7ebe98453c43e27a4fa478cd8665ebaa">SSD1306_CMD_LEFT_HORIZONTAL_SCROLL</a></div><div class="ttdeci">#define SSD1306_CMD_LEFT_HORIZONTAL_SCROLL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00069">driver_ssd1306.c:69</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a83ff60cb54bdba6fa86f928da3827806"><div class="ttname"><a href="driver__ssd1306_8c.html#a83ff60cb54bdba6fa86f928da3827806">SSD1306_CMD_ENTIRE_DISPLAY_OFF</a></div><div class="ttdeci">#define SSD1306_CMD_ENTIRE_DISPLAY_OFF</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00080">driver_ssd1306.c:80</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a88c749b0d22326b07b4bc31713dc0520"><div class="ttname"><a href="driver__ssd1306_8c.html#a88c749b0d22326b07b4bc31713dc0520">SSD1306_CMD_SET_COLUMN_ADDRESS</a></div><div class="ttdeci">#define SSD1306_CMD_SET_COLUMN_ADDRESS</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00065">driver_ssd1306.c:65</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a8dbbaf279ddc7c21a7561b72a3b665d6"><div class="ttname"><a href="driver__ssd1306_8c.html#a8dbbaf279ddc7c21a7561b72a3b665d6">SSD1306_CMD_NORMAL_DISPLAY</a></div><div class="ttdeci">#define SSD1306_CMD_NORMAL_DISPLAY</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00082">driver_ssd1306.c:82</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a90c0b20d54005712fcc8cb01281360e9"><div class="ttname"><a href="driver__ssd1306_8c.html#a90c0b20d54005712fcc8cb01281360e9">TEMPERATURE_MAX</a></div><div class="ttdeci">#define TEMPERATURE_MAX</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00050">driver_ssd1306.c:50</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_a9a6f73ae653ccc996d6be732089a6f7c"><div class="ttname"><a href="driver__ssd1306_8c.html#a9a6f73ae653ccc996d6be732089a6f7c">SSD1306_CMD_COM_PINS_CONF</a></div><div class="ttdeci">#define SSD1306_CMD_COM_PINS_CONF</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00094">driver_ssd1306.c:94</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aa087c9c8923c76dedb4600f60092f6d2"><div class="ttname"><a href="driver__ssd1306_8c.html#aa087c9c8923c76dedb4600f60092f6d2">SSD1306_CMD_ENTIRE_DISPLAY_ON</a></div><div class="ttdeci">#define SSD1306_CMD_ENTIRE_DISPLAY_ON</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00081">driver_ssd1306.c:81</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aa0eaf3ddb1f93497af0ca0d15a74e74b"><div class="ttname"><a href="driver__ssd1306_8c.html#aa0eaf3ddb1f93497af0ca0d15a74e74b">SSD1306_CMD</a></div><div class="ttdeci">#define SSD1306_CMD</div><div class="ttdoc">chip command data definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00056">driver_ssd1306.c:56</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aa71c14916728c1a3d01bfafaf813f8d3"><div class="ttname"><a href="driver__ssd1306_8c.html#aa71c14916728c1a3d01bfafaf813f8d3">SSD1306_CMD_MULTIPLEX_RATIO</a></div><div class="ttdeci">#define SSD1306_CMD_MULTIPLEX_RATIO</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00084">driver_ssd1306.c:84</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aaa2b8f5b105c3019df0cb346f472e803"><div class="ttname"><a href="driver__ssd1306_8c.html#aaa2b8f5b105c3019df0cb346f472e803">MANUFACTURER_NAME</a></div><div class="ttdeci">#define MANUFACTURER_NAME</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00045">driver_ssd1306.c:45</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aab353db5bf4eb787f86a2080f609a551"><div class="ttname"><a href="driver__ssd1306_8c.html#aab353db5bf4eb787f86a2080f609a551">TEMPERATURE_MIN</a></div><div class="ttdeci">#define TEMPERATURE_MIN</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00049">driver_ssd1306.c:49</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aac8d8cbd899667d609787ef4cf37054d"><div class="ttname"><a href="driver__ssd1306_8c.html#aac8d8cbd899667d609787ef4cf37054d">SUPPLY_VOLTAGE_MIN</a></div><div class="ttdeci">#define SUPPLY_VOLTAGE_MIN</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00046">driver_ssd1306.c:46</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aaeb987bcbb54de5fe927f07ae01d3a68"><div class="ttname"><a href="driver__ssd1306_8c.html#aaeb987bcbb54de5fe927f07ae01d3a68">SSD1306_CMD_VERTICAL_LEFT_HORIZONTAL_SCROLL</a></div><div class="ttdeci">#define SSD1306_CMD_VERTICAL_LEFT_HORIZONTAL_SCROLL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00071">driver_ssd1306.c:71</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ab741784a3ee47c25a986d848e90ed049"><div class="ttname"><a href="driver__ssd1306_8c.html#ab741784a3ee47c25a986d848e90ed049">SSD1306_CMD_SET_FADE_OUT_AND_BLINKING</a></div><div class="ttdeci">#define SSD1306_CMD_SET_FADE_OUT_AND_BLINKING</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00067">driver_ssd1306.c:67</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ac98ec036aa0aa3cc9026150d0f502301"><div class="ttname"><a href="driver__ssd1306_8c.html#ac98ec036aa0aa3cc9026150d0f502301">SSD1306_CMD_CONTRAST_CONTROL</a></div><div class="ttdeci">#define SSD1306_CMD_CONTRAST_CONTROL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00075">driver_ssd1306.c:75</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ad899aabcbcadba31b2a339f742b21493"><div class="ttname"><a href="driver__ssd1306_8c.html#ad899aabcbcadba31b2a339f742b21493">SSD1306_CMD_CHARGE_PUMP_SETTING</a></div><div class="ttdeci">#define SSD1306_CMD_CHARGE_PUMP_SETTING</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00076">driver_ssd1306.c:76</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ada976441269545a655be45f699914434"><div class="ttname"><a href="driver__ssd1306_8c.html#ada976441269545a655be45f699914434">SSD1306_CMD_ACTIVATE_SCROLL</a></div><div class="ttdeci">#define SSD1306_CMD_ACTIVATE_SCROLL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00073">driver_ssd1306.c:73</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_adc9da0a24824ca1239b593f6459b3954"><div class="ttname"><a href="driver__ssd1306_8c.html#adc9da0a24824ca1239b593f6459b3954">CHIP_NAME</a></div><div class="ttdeci">#define CHIP_NAME</div><div class="ttdoc">chip information definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00044">driver_ssd1306.c:44</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ade986acc63982722bce05cd09d75999f"><div class="ttname"><a href="driver__ssd1306_8c.html#ade986acc63982722bce05cd09d75999f">SSD1306_CMD_COLUMN_0_MAPPED_TO_SEG0</a></div><div class="ttdeci">#define SSD1306_CMD_COLUMN_0_MAPPED_TO_SEG0</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00077">driver_ssd1306.c:77</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_adf32c4c74645fc59af8e6f9029a60513"><div class="ttname"><a href="driver__ssd1306_8c.html#adf32c4c74645fc59af8e6f9029a60513">SSD1306_CMD_VERTICAL_RIGHT_HORIZONTAL_SCROLL</a></div><div class="ttdeci">#define SSD1306_CMD_VERTICAL_RIGHT_HORIZONTAL_SCROLL</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00070">driver_ssd1306.c:70</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ae1ca51453068b09ad720de553a40cfa1"><div class="ttname"><a href="driver__ssd1306_8c.html#ae1ca51453068b09ad720de553a40cfa1">SSD1306_CMD_SET_ZOOM_IN</a></div><div class="ttdeci">#define SSD1306_CMD_SET_ZOOM_IN</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00092">driver_ssd1306.c:92</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_ae578001fe043b4cca7a0edd801cfe9c4"><div class="ttname"><a href="driver__ssd1306_8c.html#ae578001fe043b4cca7a0edd801cfe9c4">DRIVER_VERSION</a></div><div class="ttdeci">#define DRIVER_VERSION</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00051">driver_ssd1306.c:51</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_aee5b34051613c523a64364dec0eef423"><div class="ttname"><a href="driver__ssd1306_8c.html#aee5b34051613c523a64364dec0eef423">SSD1306_CMD_COLUMN_127_MAPPED_TO_SEG0</a></div><div class="ttdeci">#define SSD1306_CMD_COLUMN_127_MAPPED_TO_SEG0</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00078">driver_ssd1306.c:78</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_af3e75d3fb947925e5f17544237ccf0fb"><div class="ttname"><a href="driver__ssd1306_8c.html#af3e75d3fb947925e5f17544237ccf0fb">SSD1306_CMD_VERTICAL_SCROLL_AREA</a></div><div class="ttdeci">#define SSD1306_CMD_VERTICAL_SCROLL_AREA</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00079">driver_ssd1306.c:79</a></div></div>
<div class="ttc" id="adriver__ssd1306_8c_html_af446c14ed9df887a0941045f76608328"><div class="ttname"><a href="driver__ssd1306_8c.html#af446c14ed9df887a0941045f76608328">SSD1306_CMD_PRE_CHARGE_PERIOD</a></div><div class="ttdeci">#define SSD1306_CMD_PRE_CHARGE_PERIOD</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00093">driver_ssd1306.c:93</a></div></div>
<div class="ttc" id="adriver__ssd1306_8h_html"><div class="ttname"><a href="driver__ssd1306_8h.html">driver_ssd1306.h</a></div><div class="ttdoc">driver ssd1306 header file</div></div>
<div class="ttc" id="adriver__ssd1306__font_8h_html"><div class="ttname"><a href="driver__ssd1306__font_8h.html">driver_ssd1306_font.h</a></div><div class="ttdoc">driver ssd1306 font header file</div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga00cf50facfe27a181096bd8946235e7d"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga00cf50facfe27a181096bd8946235e7d">ssd1306_write_point</a></div><div class="ttdeci">uint8_t ssd1306_write_point(ssd1306_handle_t *handle, uint8_t x, uint8_t y, uint8_t data)</div><div class="ttdoc">write a point</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00455">driver_ssd1306.c:455</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga03c808b475f1772194cbd0d11d539326"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga03c808b475f1772194cbd0d11d539326">ssd1306_left_right_remap_t</a></div><div class="ttdeci">ssd1306_left_right_remap_t</div><div class="ttdoc">ssd1306 left right remap enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00188">driver_ssd1306.h:189</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga04af4a1d48cc69445e34ca598c34b239"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga04af4a1d48cc69445e34ca598c34b239">ssd1306_set_contrast</a></div><div class="ttdeci">uint8_t ssd1306_set_contrast(ssd1306_handle_t *handle, uint8_t contrast)</div><div class="ttdoc">set the display contrast</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01721">driver_ssd1306.c:1721</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga0b6186c60b72c021908e3284800a1c79"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga0b6186c60b72c021908e3284800a1c79">ssd1306_set_page_address_range</a></div><div class="ttdeci">uint8_t ssd1306_set_page_address_range(ssd1306_handle_t *handle, uint8_t start_addr, uint8_t end_addr)</div><div class="ttdoc">set the page address range</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01338">driver_ssd1306.c:1338</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga1a1bc9a742d5f206e475f2e00102962c"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga1a1bc9a742d5f206e475f2e00102962c">ssd1306_gram_read_point</a></div><div class="ttdeci">uint8_t ssd1306_gram_read_point(ssd1306_handle_t *handle, uint8_t x, uint8_t y, uint8_t *data)</div><div class="ttdoc">read a point from the gram</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00631">driver_ssd1306.c:631</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga1b1cda97c2bbcf0de6e84d6a499be103"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga1b1cda97c2bbcf0de6e84d6a499be103">ssd1306_set_zoom_in</a></div><div class="ttdeci">uint8_t ssd1306_set_zoom_in(ssd1306_handle_t *handle, ssd1306_zoom_in_t zoom)</div><div class="ttdoc">set the display zoom in</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02152">driver_ssd1306.c:2152</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga1c48fc249314c05eb74774f712afa050"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga1c48fc249314c05eb74774f712afa050">ssd1306_set_scan_direction</a></div><div class="ttdeci">uint8_t ssd1306_set_scan_direction(ssd1306_handle_t *handle, ssd1306_scan_direction_t dir)</div><div class="ttdoc">set the scan direction</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02038">driver_ssd1306.c:2038</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga1ed85253a9cd855d2880819cc79ded33"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga1ed85253a9cd855d2880819cc79ded33">ssd1306_scan_direction_t</a></div><div class="ttdeci">ssd1306_scan_direction_t</div><div class="ttdoc">ssd1306 scan direction enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00161">driver_ssd1306.h:162</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga1fd4ade307b8ef8cac61d96ebe821456"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga1fd4ade307b8ef8cac61d96ebe821456">ssd1306_set_precharge_period</a></div><div class="ttdeci">uint8_t ssd1306_set_precharge_period(ssd1306_handle_t *handle, uint8_t phase1_period, uint8_t phase2_period)</div><div class="ttdoc">set the pre charge period</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02185">driver_ssd1306.c:2185</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga21e8fae48cd8be88d0b42ed7cf4460b7"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga21e8fae48cd8be88d0b42ed7cf4460b7">ssd1306_gram_write_point</a></div><div class="ttdeci">uint8_t ssd1306_gram_write_point(ssd1306_handle_t *handle, uint8_t x, uint8_t y, uint8_t data)</div><div class="ttdoc">write a point in the gram</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00581">driver_ssd1306.c:581</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga285a77dab43317a3885e669f7716eaba"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga285a77dab43317a3885e669f7716eaba">ssd1306_set_memory_addressing_mode</a></div><div class="ttdeci">uint8_t ssd1306_set_memory_addressing_mode(ssd1306_handle_t *handle, ssd1306_memory_addressing_mode_t mode)</div><div class="ttdoc">set the memory addressing mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01259">driver_ssd1306.c:1259</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga286400b4b897e3f74d9bee53d2707242"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga286400b4b897e3f74d9bee53d2707242">ssd1306_interface_t</a></div><div class="ttdeci">ssd1306_interface_t</div><div class="ttdoc">ssd1306 interface enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00063">driver_ssd1306.h:64</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga361f177a4e66491f3f34bb5a87cf5b78"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga361f177a4e66491f3f34bb5a87cf5b78">ssd1306_display_t</a></div><div class="ttdeci">ssd1306_display_t</div><div class="ttdoc">ssd1306 display enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00152">driver_ssd1306.h:153</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga3c5208ca2b8fce8fc7bde1fc4bfa9d05"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga3c5208ca2b8fce8fc7bde1fc4bfa9d05">ssd1306_set_addr_pin</a></div><div class="ttdeci">uint8_t ssd1306_set_addr_pin(ssd1306_handle_t *handle, ssd1306_address_t addr_pin)</div><div class="ttdoc">set the chip iic address</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01151">driver_ssd1306.c:1151</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga3d42cc7bff43fe2339fff1f7150776d9"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga3d42cc7bff43fe2339fff1f7150776d9">ssd1306_charge_pump_t</a></div><div class="ttdeci">ssd1306_charge_pump_t</div><div class="ttdoc">ssd1306 charge pump enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00116">driver_ssd1306.h:117</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga48c80c30c1a800d3fb79af6f904a188c"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga48c80c30c1a800d3fb79af6f904a188c">ssd1306_memory_addressing_mode_t</a></div><div class="ttdeci">ssd1306_memory_addressing_mode_t</div><div class="ttdoc">ssd1306 memory addressing mode enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00081">driver_ssd1306.h:82</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga4c12993f9009017f3c6b58f2c98dda75"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga4c12993f9009017f3c6b58f2c98dda75">ssd1306_gram_draw_picture</a></div><div class="ttdeci">uint8_t ssd1306_gram_draw_picture(ssd1306_handle_t *handle, uint8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t *img)</div><div class="ttdoc">draw a picture in the gram</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00805">driver_ssd1306.c:805</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga4f2e9ce796f09700bb37da338ad5a504"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga4f2e9ce796f09700bb37da338ad5a504">ssd1306_entire_display_t</a></div><div class="ttdeci">ssd1306_entire_display_t</div><div class="ttdoc">ssd1306 entire display enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00134">driver_ssd1306.h:135</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga5288c2a5632fdc275acd6808bd506f8c"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga5288c2a5632fdc275acd6808bd506f8c">ssd1306_pin_conf_t</a></div><div class="ttdeci">ssd1306_pin_conf_t</div><div class="ttdoc">ssd1306 pin conf enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00179">driver_ssd1306.h:180</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga593c19e30eab2d684610fec0dbb8a8b6"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga593c19e30eab2d684610fec0dbb8a8b6">ssd1306_info</a></div><div class="ttdeci">uint8_t ssd1306_info(ssd1306_info_t *info)</div><div class="ttdoc">get chip's information</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02337">driver_ssd1306.c:2337</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga5d123c964a7a3d2c3dc6c2fca961f525"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga5d123c964a7a3d2c3dc6c2fca961f525">ssd1306_font_t</a></div><div class="ttdeci">ssd1306_font_t</div><div class="ttdoc">ssd1306 font enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00207">driver_ssd1306.h:208</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga5da594f6b24ff418db03afd08b77d0aa"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga5da594f6b24ff418db03afd08b77d0aa">ssd1306_segment_column_remap_t</a></div><div class="ttdeci">ssd1306_segment_column_remap_t</div><div class="ttdoc">ssd1306 segment column remap enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00125">driver_ssd1306.h:126</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga5e26eba85db0554f1a5457e7014e1998"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga5e26eba85db0554f1a5457e7014e1998">ssd1306_set_vertical_scroll_area</a></div><div class="ttdeci">uint8_t ssd1306_set_vertical_scroll_area(ssd1306_handle_t *handle, uint8_t start_row, uint8_t end_row)</div><div class="ttdoc">set the vertical scroll area</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01817">driver_ssd1306.c:1817</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga6c67db47ad6765b8faa8703d571df584"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga6c67db47ad6765b8faa8703d571df584">ssd1306_gram_fill_rect</a></div><div class="ttdeci">uint8_t ssd1306_gram_fill_rect(ssd1306_handle_t *handle, uint8_t left, uint8_t top, uint8_t right, uint8_t bottom, uint8_t color)</div><div class="ttdoc">fill a rectangle in the gram</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00742">driver_ssd1306.c:742</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga6dd49e731a0256e5556c11992bf065ff"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga6dd49e731a0256e5556c11992bf065ff">ssd1306_set_charge_pump</a></div><div class="ttdeci">uint8_t ssd1306_set_charge_pump(ssd1306_handle_t *handle, ssd1306_charge_pump_t enable)</div><div class="ttdoc">enable or disable the charge pump</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01751">driver_ssd1306.c:1751</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga711a2e7fed8919a16348f0ace4870fb6"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga711a2e7fed8919a16348f0ace4870fb6">ssd1306_set_page_address</a></div><div class="ttdeci">uint8_t ssd1306_set_page_address(ssd1306_handle_t *handle, uint8_t addr)</div><div class="ttdoc">set the page address</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02007">driver_ssd1306.c:2007</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga7597547382551e6ec6869aea44e4a622"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga7597547382551e6ec6869aea44e4a622">ssd1306_get_interface</a></div><div class="ttdeci">uint8_t ssd1306_get_interface(ssd1306_handle_t *handle, ssd1306_interface_t *interface)</div><div class="ttdoc">get the chip interface</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01130">driver_ssd1306.c:1130</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga7a442340723399a6a1643c2010c2aa96"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga7a442340723399a6a1643c2010c2aa96">ssd1306_zoom_in_t</a></div><div class="ttdeci">ssd1306_zoom_in_t</div><div class="ttdoc">ssd1306 zoom in enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00170">driver_ssd1306.h:171</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga7c55130a641972ab4b4d591c50eb5494"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga7c55130a641972ab4b4d591c50eb5494">ssd1306_read_point</a></div><div class="ttdeci">uint8_t ssd1306_read_point(ssd1306_handle_t *handle, uint8_t x, uint8_t y, uint8_t *data)</div><div class="ttdoc">read a point</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00531">driver_ssd1306.c:531</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga8231cf2d7d5e244df0a64c65d5db9aca"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga8231cf2d7d5e244df0a64c65d5db9aca">ssd1306_set_display_mode</a></div><div class="ttdeci">uint8_t ssd1306_set_display_mode(ssd1306_handle_t *handle, ssd1306_display_mode_t mode)</div><div class="ttdoc">set the display mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01898">driver_ssd1306.c:1898</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga86a554181ce9cd671b255443f3076666"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga86a554181ce9cd671b255443f3076666">ssd1306_set_display_offset</a></div><div class="ttdeci">uint8_t ssd1306_set_display_offset(ssd1306_handle_t *handle, uint8_t offset)</div><div class="ttdoc">set the display offset</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02071">driver_ssd1306.c:2071</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga8a9ee843e339805b16c571c8ac94f9ec"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga8a9ee843e339805b16c571c8ac94f9ec">ssd1306_set_display</a></div><div class="ttdeci">uint8_t ssd1306_set_display(ssd1306_handle_t *handle, ssd1306_display_t on_off)</div><div class="ttdoc">enable or disable the display</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01974">driver_ssd1306.c:1974</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga931e1af4eef39b43a262040931c062d9"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga931e1af4eef39b43a262040931c062d9">ssd1306_activate_scroll</a></div><div class="ttdeci">uint8_t ssd1306_activate_scroll(ssd1306_handle_t *handle)</div><div class="ttdoc">activate the scroll</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01664">driver_ssd1306.c:1664</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga94fbad6bc91e085ca4ff5cb5443b9411"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga94fbad6bc91e085ca4ff5cb5443b9411">ssd1306_set_multiplex_ratio</a></div><div class="ttdeci">uint8_t ssd1306_set_multiplex_ratio(ssd1306_handle_t *handle, uint8_t multiplex)</div><div class="ttdoc">set the multiplex ratio</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01932">driver_ssd1306.c:1932</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga9840154b11ab91249174b79fde6899bd"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga9840154b11ab91249174b79fde6899bd">ssd1306_set_display_start_line</a></div><div class="ttdeci">uint8_t ssd1306_set_display_start_line(ssd1306_handle_t *handle, uint8_t l)</div><div class="ttdoc">set the display start line</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01690">driver_ssd1306.c:1690</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga99842fb1e272b67cfc055d373f89749b"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga99842fb1e272b67cfc055d373f89749b">ssd1306_deactivate_scroll</a></div><div class="ttdeci">uint8_t ssd1306_deactivate_scroll(ssd1306_handle_t *handle)</div><div class="ttdoc">deactivate the scroll</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01640">driver_ssd1306.c:1640</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_ga9bb792cb36f7d0fd2229c13c26ad7182"><div class="ttname"><a href="group__ssd1306__base__driver.html#ga9bb792cb36f7d0fd2229c13c26ad7182">ssd1306_address_t</a></div><div class="ttdeci">ssd1306_address_t</div><div class="ttdoc">ssd1306 address pin enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00072">driver_ssd1306.h:73</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaa1e2348f2744d57bf79e4915715846fe"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaa1e2348f2744d57bf79e4915715846fe">ssd1306_get_addr_pin</a></div><div class="ttdeci">uint8_t ssd1306_get_addr_pin(ssd1306_handle_t *handle, ssd1306_address_t *addr_pin)</div><div class="ttdoc">get the chip iic address</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01172">driver_ssd1306.c:1172</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaa5160b65db212aa7150aa3a00cd3f47c"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaa5160b65db212aa7150aa3a00cd3f47c">ssd1306_set_high_column_start_address</a></div><div class="ttdeci">uint8_t ssd1306_set_high_column_start_address(ssd1306_handle_t *handle, uint8_t addr)</div><div class="ttdoc">set the high column start address</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01228">driver_ssd1306.c:1228</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaa588c8dc16bd6bfc84fa242910cf7252"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaa588c8dc16bd6bfc84fa242910cf7252">ssd1306_set_display_clock</a></div><div class="ttdeci">uint8_t ssd1306_set_display_clock(ssd1306_handle_t *handle, uint8_t oscillator_frequency, uint8_t clock_divide)</div><div class="ttdoc">set the display clock</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02110">driver_ssd1306.c:2110</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaa6ab33cbbce1ee0b495abf2fe5b208f0"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaa6ab33cbbce1ee0b495abf2fe5b208f0">ssd1306_deinit</a></div><div class="ttdeci">uint8_t ssd1306_deinit(ssd1306_handle_t *handle)</div><div class="ttdoc">close the chip</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01032">driver_ssd1306.c:1032</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaa7749f3ab39bbbdc7a7e899d355a72de"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaa7749f3ab39bbbdc7a7e899d355a72de">ssd1306_display_mode_t</a></div><div class="ttdeci">ssd1306_display_mode_t</div><div class="ttdoc">ssd1306 display mode enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00143">driver_ssd1306.h:144</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaa897931b4f2650d9fcf4edea9dadea48"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaa897931b4f2650d9fcf4edea9dadea48">ssd1306_set_segment_remap</a></div><div class="ttdeci">uint8_t ssd1306_set_segment_remap(ssd1306_handle_t *handle, ssd1306_segment_column_remap_t remap)</div><div class="ttdoc">set the segment remap</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01781">driver_ssd1306.c:1781</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaae8e1abaa15f2d308096870ae7841511"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaae8e1abaa15f2d308096870ae7841511">ssd1306_scroll_frame_t</a></div><div class="ttdeci">ssd1306_scroll_frame_t</div><div class="ttdoc">ssd1306 scroll frame enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00101">driver_ssd1306.h:102</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaaf15b7b58a888cd5be95878dd59a5bce"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaaf15b7b58a888cd5be95878dd59a5bce">ssd1306_set_right_horizontal_scroll</a></div><div class="ttdeci">uint8_t ssd1306_set_right_horizontal_scroll(ssd1306_handle_t *handle, uint8_t start_page_addr, uint8_t end_page_addr, ssd1306_scroll_frame_t frames)</div><div class="ttdoc">set the right horizontal scroll</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01423">driver_ssd1306.c:1423</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaaf3f80e42b6b20ef6794aae8d404b79c"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaaf3f80e42b6b20ef6794aae8d404b79c">ssd1306_set_com_pins_hardware_conf</a></div><div class="ttdeci">uint8_t ssd1306_set_com_pins_hardware_conf(ssd1306_handle_t *handle, ssd1306_pin_conf_t conf, ssd1306_left_right_remap_t remap)</div><div class="ttdoc">set the hardware com pins</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02228">driver_ssd1306.c:2228</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gab8ecebeae67b19ff6f9e097f4aafb81b"><div class="ttname"><a href="group__ssd1306__base__driver.html#gab8ecebeae67b19ff6f9e097f4aafb81b">ssd1306_gram_write_string</a></div><div class="ttdeci">uint8_t ssd1306_gram_write_string(ssd1306_handle_t *handle, uint8_t x, uint8_t y, char *str, uint16_t len, uint8_t color, ssd1306_font_t font)</div><div class="ttdoc">draw a string in the gram</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00684">driver_ssd1306.c:684</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gabd1f5fbb82b9b3c42487448bd4e8aee9"><div class="ttname"><a href="group__ssd1306__base__driver.html#gabd1f5fbb82b9b3c42487448bd4e8aee9">ssd1306_set_left_horizontal_scroll</a></div><div class="ttdeci">uint8_t ssd1306_set_left_horizontal_scroll(ssd1306_handle_t *handle, uint8_t start_page_addr, uint8_t end_page_addr, ssd1306_scroll_frame_t frames)</div><div class="ttdoc">set the left horizontal scroll</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01475">driver_ssd1306.c:1475</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gabd899e41e08e8ce70e14b3718e9cfa2a"><div class="ttname"><a href="group__ssd1306__base__driver.html#gabd899e41e08e8ce70e14b3718e9cfa2a">ssd1306_set_fade_blinking_mode</a></div><div class="ttdeci">uint8_t ssd1306_set_fade_blinking_mode(ssd1306_handle_t *handle, ssd1306_fade_blinking_mode_t mode, uint8_t frames)</div><div class="ttdoc">set the fade blinking mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01383">driver_ssd1306.c:1383</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gabdb73f24b43dcd93775ea24702b938d4"><div class="ttname"><a href="group__ssd1306__base__driver.html#gabdb73f24b43dcd93775ea24702b938d4">ssd1306_clear</a></div><div class="ttdeci">uint8_t ssd1306_clear(ssd1306_handle_t *handle)</div><div class="ttdoc">clear the screen</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00334">driver_ssd1306.c:334</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gac47023d3af6a0c7ebe9b879b8968e727"><div class="ttname"><a href="group__ssd1306__base__driver.html#gac47023d3af6a0c7ebe9b879b8968e727">ssd1306_set_deselect_level</a></div><div class="ttdeci">uint8_t ssd1306_set_deselect_level(ssd1306_handle_t *handle, ssd1306_deselect_level_t level)</div><div class="ttdoc">set the deselect level</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02258">driver_ssd1306.c:2258</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gace80f71defecb1723ae1d5c53ac7c7c5"><div class="ttname"><a href="group__ssd1306__base__driver.html#gace80f71defecb1723ae1d5c53ac7c7c5">ssd1306_set_column_address_range</a></div><div class="ttdeci">uint8_t ssd1306_set_column_address_range(ssd1306_handle_t *handle, uint8_t start_addr, uint8_t end_addr)</div><div class="ttdoc">set the column address range</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01292">driver_ssd1306.c:1292</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gad0ae391a2f3d129fce7675d50b00b0f3"><div class="ttname"><a href="group__ssd1306__base__driver.html#gad0ae391a2f3d129fce7675d50b00b0f3">ssd1306_set_vertical_left_horizontal_scroll</a></div><div class="ttdeci">uint8_t ssd1306_set_vertical_left_horizontal_scroll(ssd1306_handle_t *handle, uint8_t start_page_addr, uint8_t end_page_addr, uint8_t rows, ssd1306_scroll_frame_t frames)</div><div class="ttdoc">set the vertical left horizontal scroll</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01588">driver_ssd1306.c:1588</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gad13acd1205c86a2c63ac8b22df33dba1"><div class="ttname"><a href="group__ssd1306__base__driver.html#gad13acd1205c86a2c63ac8b22df33dba1">ssd1306_gram_update</a></div><div class="ttdeci">uint8_t ssd1306_gram_update(ssd1306_handle_t *handle)</div><div class="ttdoc">update the gram data</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00393">driver_ssd1306.c:393</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gad61d0d69d8da5b83515ce48d971c2559"><div class="ttname"><a href="group__ssd1306__base__driver.html#gad61d0d69d8da5b83515ce48d971c2559">ssd1306_set_low_column_start_address</a></div><div class="ttdeci">uint8_t ssd1306_set_low_column_start_address(ssd1306_handle_t *handle, uint8_t addr)</div><div class="ttdoc">set the low column start address</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01196">driver_ssd1306.c:1196</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gad87b0cee0e0abdadd0b441eb86c21419"><div class="ttname"><a href="group__ssd1306__base__driver.html#gad87b0cee0e0abdadd0b441eb86c21419">ssd1306_fade_blinking_mode_t</a></div><div class="ttdeci">ssd1306_fade_blinking_mode_t</div><div class="ttdoc">ssd1306 fade blinking mode enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00091">driver_ssd1306.h:92</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gae0a03db84a228eb20b9d3ba0c6624f57"><div class="ttname"><a href="group__ssd1306__base__driver.html#gae0a03db84a228eb20b9d3ba0c6624f57">ssd1306_set_entire_display</a></div><div class="ttdeci">uint8_t ssd1306_set_entire_display(ssd1306_handle_t *handle, ssd1306_entire_display_t enable)</div><div class="ttdoc">enable or disable the entire display</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01866">driver_ssd1306.c:1866</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gae16b5d9bf74880764864f71793583ba1"><div class="ttname"><a href="group__ssd1306__base__driver.html#gae16b5d9bf74880764864f71793583ba1">ssd1306_deselect_level_t</a></div><div class="ttdeci">ssd1306_deselect_level_t</div><div class="ttdoc">ssd1306 deselect level enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00197">driver_ssd1306.h:198</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaea216cd13fddc019b6f76a78c561cc07"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaea216cd13fddc019b6f76a78c561cc07">ssd1306_set_vertical_right_horizontal_scroll</a></div><div class="ttdeci">uint8_t ssd1306_set_vertical_right_horizontal_scroll(ssd1306_handle_t *handle, uint8_t start_page_addr, uint8_t end_page_addr, uint8_t rows, ssd1306_scroll_frame_t frames)</div><div class="ttdoc">set the vertical right horizontal scroll</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01529">driver_ssd1306.c:1529</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaf09a77d1992afb51a10d0dfa16ef7faf"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaf09a77d1992afb51a10d0dfa16ef7faf">ssd1306_set_interface</a></div><div class="ttdeci">uint8_t ssd1306_set_interface(ssd1306_handle_t *handle, ssd1306_interface_t interface)</div><div class="ttdoc">set the chip interface</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l01109">driver_ssd1306.c:1109</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gaff19089a6c734bd8cf06d5bfc610f0e4"><div class="ttname"><a href="group__ssd1306__base__driver.html#gaff19089a6c734bd8cf06d5bfc610f0e4">ssd1306_init</a></div><div class="ttdeci">uint8_t ssd1306_init(ssd1306_handle_t *handle)</div><div class="ttdoc">initialize the chip</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l00864">driver_ssd1306.c:864</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gga286400b4b897e3f74d9bee53d2707242a0907a77291283216ab5cac22a00d4f98"><div class="ttname"><a href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a0907a77291283216ab5cac22a00d4f98">SSD1306_INTERFACE_IIC</a></div><div class="ttdeci">@ SSD1306_INTERFACE_IIC</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00065">driver_ssd1306.h:65</a></div></div>
<div class="ttc" id="agroup__ssd1306__base__driver_html_gga286400b4b897e3f74d9bee53d2707242a2a9c98b5a4a08b23cbd342daf403f9eb"><div class="ttname"><a href="group__ssd1306__base__driver.html#gga286400b4b897e3f74d9bee53d2707242a2a9c98b5a4a08b23cbd342daf403f9eb">SSD1306_INTERFACE_SPI</a></div><div class="ttdeci">@ SSD1306_INTERFACE_SPI</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00066">driver_ssd1306.h:66</a></div></div>
<div class="ttc" id="agroup__ssd1306__extend__driver_html_ga9cca12cd680a5956ba27f6b05c0c0f94"><div class="ttname"><a href="group__ssd1306__extend__driver.html#ga9cca12cd680a5956ba27f6b05c0c0f94">ssd1306_write_data</a></div><div class="ttdeci">uint8_t ssd1306_write_data(ssd1306_handle_t *handle, uint8_t *buf, uint8_t len)</div><div class="ttdoc">write the register data</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02315">driver_ssd1306.c:2315</a></div></div>
<div class="ttc" id="agroup__ssd1306__extend__driver_html_gae7e83bf4fa2b4edefda280b0ebc75042"><div class="ttname"><a href="group__ssd1306__extend__driver.html#gae7e83bf4fa2b4edefda280b0ebc75042">ssd1306_write_cmd</a></div><div class="ttdeci">uint8_t ssd1306_write_cmd(ssd1306_handle_t *handle, uint8_t *buf, uint8_t len)</div><div class="ttdoc">write the register command</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8c_source.html#l02289">driver_ssd1306.c:2289</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html"><div class="ttname"><a href="structssd1306__handle__s.html">ssd1306_handle_s</a></div><div class="ttdoc">ssd1306 handle structure definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00217">driver_ssd1306.h:218</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a00209e629162307269baa592e51144ac"><div class="ttname"><a href="structssd1306__handle__s.html#a00209e629162307269baa592e51144ac">ssd1306_handle_s::iic_spi</a></div><div class="ttdeci">uint8_t iic_spi</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00235">driver_ssd1306.h:235</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a19bedf28d2b9748f6a62d9ae93f4e68f"><div class="ttname"><a href="structssd1306__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">ssd1306_handle_s::inited</a></div><div class="ttdeci">uint8_t inited</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00233">driver_ssd1306.h:233</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a30df505f4bd8bc8754fc0a36cfbe46d6"><div class="ttname"><a href="structssd1306__handle__s.html#a30df505f4bd8bc8754fc0a36cfbe46d6">ssd1306_handle_s::spi_init</a></div><div class="ttdeci">uint8_t(* spi_init)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00222">driver_ssd1306.h:222</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a406c9433252b7366de417b7a60915c81"><div class="ttname"><a href="structssd1306__handle__s.html#a406c9433252b7366de417b7a60915c81">ssd1306_handle_s::delay_ms</a></div><div class="ttdeci">void(* delay_ms)(uint32_t ms)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00232">driver_ssd1306.h:232</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a621f648676951996ca423fa55fa0ff6b"><div class="ttname"><a href="structssd1306__handle__s.html#a621f648676951996ca423fa55fa0ff6b">ssd1306_handle_s::spi_cmd_data_gpio_deinit</a></div><div class="ttdeci">uint8_t(* spi_cmd_data_gpio_deinit)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00226">driver_ssd1306.h:226</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a69c42ff05fc69e3f1621f3c0347a840b"><div class="ttname"><a href="structssd1306__handle__s.html#a69c42ff05fc69e3f1621f3c0347a840b">ssd1306_handle_s::reset_gpio_deinit</a></div><div class="ttdeci">uint8_t(* reset_gpio_deinit)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00229">driver_ssd1306.h:229</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a769d5b3a6c14790a0e126e8fe70b384b"><div class="ttname"><a href="structssd1306__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">ssd1306_handle_s::debug_print</a></div><div class="ttdeci">void(* debug_print)(const char *const fmt,...)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00231">driver_ssd1306.h:231</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a8826dd07625f8d90859ce9bd09628d61"><div class="ttname"><a href="structssd1306__handle__s.html#a8826dd07625f8d90859ce9bd09628d61">ssd1306_handle_s::iic_init</a></div><div class="ttdeci">uint8_t(* iic_init)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00219">driver_ssd1306.h:219</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_a9adb2481330acacfd7f6a04ce3310fab"><div class="ttname"><a href="structssd1306__handle__s.html#a9adb2481330acacfd7f6a04ce3310fab">ssd1306_handle_s::spi_deinit</a></div><div class="ttdeci">uint8_t(* spi_deinit)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00223">driver_ssd1306.h:223</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_aa264e23f5c4ddd7a9bfa5cd9e387e013"><div class="ttname"><a href="structssd1306__handle__s.html#aa264e23f5c4ddd7a9bfa5cd9e387e013">ssd1306_handle_s::reset_gpio_init</a></div><div class="ttdeci">uint8_t(* reset_gpio_init)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00228">driver_ssd1306.h:228</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_ab1b7018a38d5e6fac98532fb9d158af7"><div class="ttname"><a href="structssd1306__handle__s.html#ab1b7018a38d5e6fac98532fb9d158af7">ssd1306_handle_s::spi_cmd_data_gpio_init</a></div><div class="ttdeci">uint8_t(* spi_cmd_data_gpio_init)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00225">driver_ssd1306.h:225</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_ad69f220d63904bed9da62f9af24aaf6f"><div class="ttname"><a href="structssd1306__handle__s.html#ad69f220d63904bed9da62f9af24aaf6f">ssd1306_handle_s::gram</a></div><div class="ttdeci">uint8_t gram[128][8]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00236">driver_ssd1306.h:236</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_adac0200f9c9e205330090e0d34f605d5"><div class="ttname"><a href="structssd1306__handle__s.html#adac0200f9c9e205330090e0d34f605d5">ssd1306_handle_s::spi_write_cmd</a></div><div class="ttdeci">uint8_t(* spi_write_cmd)(uint8_t *buf, uint16_t len)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00224">driver_ssd1306.h:224</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_adca3ee7a793bbf510d5267daf0fcf1c5"><div class="ttname"><a href="structssd1306__handle__s.html#adca3ee7a793bbf510d5267daf0fcf1c5">ssd1306_handle_s::iic_write</a></div><div class="ttdeci">uint8_t(* iic_write)(uint8_t addr, uint8_t reg, uint8_t *buf, uint16_t len)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00221">driver_ssd1306.h:221</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_ae4fb63dc1b166464d5da3aa753b0805a"><div class="ttname"><a href="structssd1306__handle__s.html#ae4fb63dc1b166464d5da3aa753b0805a">ssd1306_handle_s::iic_addr</a></div><div class="ttdeci">uint8_t iic_addr</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00234">driver_ssd1306.h:234</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_aef5678d4a9dc161bfd5f4b92688ff44f"><div class="ttname"><a href="structssd1306__handle__s.html#aef5678d4a9dc161bfd5f4b92688ff44f">ssd1306_handle_s::spi_cmd_data_gpio_write</a></div><div class="ttdeci">uint8_t(* spi_cmd_data_gpio_write)(uint8_t value)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00227">driver_ssd1306.h:227</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_af0011f96a61e36716a376f2a427fdd27"><div class="ttname"><a href="structssd1306__handle__s.html#af0011f96a61e36716a376f2a427fdd27">ssd1306_handle_s::reset_gpio_write</a></div><div class="ttdeci">uint8_t(* reset_gpio_write)(uint8_t value)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00230">driver_ssd1306.h:230</a></div></div>
<div class="ttc" id="astructssd1306__handle__s_html_af6963bbad902ca6e43942b48c07986c3"><div class="ttname"><a href="structssd1306__handle__s.html#af6963bbad902ca6e43942b48c07986c3">ssd1306_handle_s::iic_deinit</a></div><div class="ttdeci">uint8_t(* iic_deinit)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00220">driver_ssd1306.h:220</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html"><div class="ttname"><a href="structssd1306__info__s.html">ssd1306_info_s</a></div><div class="ttdoc">ssd1306 information structure definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00242">driver_ssd1306.h:243</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_a3366a5dce9b829e03c3d321c2b4df3f6"><div class="ttname"><a href="structssd1306__info__s.html#a3366a5dce9b829e03c3d321c2b4df3f6">ssd1306_info_s::temperature_max</a></div><div class="ttdeci">float temperature_max</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00251">driver_ssd1306.h:251</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_a3d2b12bcac7a85ea8646bff9debe8660"><div class="ttname"><a href="structssd1306__info__s.html#a3d2b12bcac7a85ea8646bff9debe8660">ssd1306_info_s::supply_voltage_max_v</a></div><div class="ttdeci">float supply_voltage_max_v</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00248">driver_ssd1306.h:248</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_a41b0bd442708b70d252c50b92c75265a"><div class="ttname"><a href="structssd1306__info__s.html#a41b0bd442708b70d252c50b92c75265a">ssd1306_info_s::driver_version</a></div><div class="ttdeci">uint32_t driver_version</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00252">driver_ssd1306.h:252</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_a8f9dbe66ac0b66ebae0a36fcb4ba368e"><div class="ttname"><a href="structssd1306__info__s.html#a8f9dbe66ac0b66ebae0a36fcb4ba368e">ssd1306_info_s::temperature_min</a></div><div class="ttdeci">float temperature_min</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00250">driver_ssd1306.h:250</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_a9db82802561bf22d799b03a345f1d1dc"><div class="ttname"><a href="structssd1306__info__s.html#a9db82802561bf22d799b03a345f1d1dc">ssd1306_info_s::max_current_ma</a></div><div class="ttdeci">float max_current_ma</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00249">driver_ssd1306.h:249</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_ad25285dbf810c90f8eaf3fcef6f2b2ea"><div class="ttname"><a href="structssd1306__info__s.html#ad25285dbf810c90f8eaf3fcef6f2b2ea">ssd1306_info_s::manufacturer_name</a></div><div class="ttdeci">char manufacturer_name[32]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00245">driver_ssd1306.h:245</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_ad8bde6ddadaf43d951e62f3befb9d35a"><div class="ttname"><a href="structssd1306__info__s.html#ad8bde6ddadaf43d951e62f3befb9d35a">ssd1306_info_s::supply_voltage_min_v</a></div><div class="ttdeci">float supply_voltage_min_v</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00247">driver_ssd1306.h:247</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_aebaa6c28dd4f2c3dc27566fcb910fd28"><div class="ttname"><a href="structssd1306__info__s.html#aebaa6c28dd4f2c3dc27566fcb910fd28">ssd1306_info_s::interface</a></div><div class="ttdeci">char interface[8]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00246">driver_ssd1306.h:246</a></div></div>
<div class="ttc" id="astructssd1306__info__s_html_af890958c72bd715cc6454a10dc846ae6"><div class="ttname"><a href="structssd1306__info__s.html#af890958c72bd715cc6454a10dc846ae6">ssd1306_info_s::chip_name</a></div><div class="ttdeci">char chip_name[32]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ssd1306_8h_source.html#l00244">driver_ssd1306.h:244</a></div></div>
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